Home / 15,622.38-21,559.23-8,548.80

Finding the Fourth Proportional to 15,622.38, 21,559.23 and 8,548.80

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Solution

The fourth proportional to 15,622.38, 21,559.23 and 8,548.80 is: 11,797.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,622.38 : 21,559.23 = 8,548.80 : x
  2. Step 2: Convert to fraction form
    15,622.38/21,559.23 = 8,548.80/x
  3. Step 3: Cross multiply
    15,622.38x = 21,559.23 × 8,548.80
  4. Step 4: Simplify right side
    15,622.38x = 184,305,545.42
  5. Step 5: Solve for x
    x = 184,305,545.42/15,622.38
  6. Step 6: Final answer
    x = 11,797.53

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Half scale
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Double scale
Find fourth proportional to 15,623.38, 21,560.61 and 8,549.80
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.