Home / 22,437.20-30,965.64-13,487.60

Finding the Fourth Proportional to 22,437.20, 30,965.64 and 13,487.60

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Solution

The fourth proportional to 22,437.20, 30,965.64 and 13,487.60 is: 18,614.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.20 : 30,965.64 = 13,487.60 : x
  2. Step 2: Convert to fraction form
    22,437.20/30,965.64 = 13,487.60/x
  3. Step 3: Cross multiply
    22,437.20x = 30,965.64 × 13,487.60
  4. Step 4: Simplify right side
    22,437.20x = 417,652,166.06
  5. Step 5: Solve for x
    x = 417,652,166.06/22,437.20
  6. Step 6: Final answer
    x = 18,614.27

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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.