Home / 15,263.15-21,064.19-8,548.59

Finding the Fourth Proportional to 15,263.15, 21,064.19 and 8,548.59

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Solution

The fourth proportional to 15,263.15, 21,064.19 and 8,548.59 is: 11,797.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,263.15 : 21,064.19 = 8,548.59 : x
  2. Step 2: Convert to fraction form
    15,263.15/21,064.19 = 8,548.59/x
  3. Step 3: Cross multiply
    15,263.15x = 21,064.19 × 8,548.59
  4. Step 4: Simplify right side
    15,263.15x = 180,069,123.99
  5. Step 5: Solve for x
    x = 180,069,123.99/15,263.15
  6. Step 6: Final answer
    x = 11,797.64

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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.