Home / 15,617.68-21,560.18-10,608.28

Finding the Fourth Proportional to 15,617.68, 21,560.18 and 10,608.28

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Solution

The fourth proportional to 15,617.68, 21,560.18 and 10,608.28 is: 14,644.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617.68 : 21,560.18 = 10,608.28 : x
  2. Step 2: Convert to fraction form
    15,617.68/21,560.18 = 10,608.28/x
  3. Step 3: Cross multiply
    15,617.68x = 21,560.18 × 10,608.28
  4. Step 4: Simplify right side
    15,617.68x = 228,716,426.29
  5. Step 5: Solve for x
    x = 228,716,426.29/15,617.68
  6. Step 6: Final answer
    x = 14,644.71

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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.