Home / 15,623.05-21,559.80-8,549.47

Finding the Fourth Proportional to 15,623.05, 21,559.80 and 8,549.47

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Solution

The fourth proportional to 15,623.05, 21,559.80 and 8,549.47 is: 11,798.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.05 : 21,559.80 = 8,549.47 : x
  2. Step 2: Convert to fraction form
    15,623.05/21,559.80 = 8,549.47/x
  3. Step 3: Cross multiply
    15,623.05x = 21,559.80 × 8,549.47
  4. Step 4: Simplify right side
    15,623.05x = 184,324,863.31
  5. Step 5: Solve for x
    x = 184,324,863.31/15,623.05
  6. Step 6: Final answer
    x = 11,798.26

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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.