Home / 15,604.16-21,543.27-10,158.39

Finding the Fourth Proportional to 15,604.16, 21,543.27 and 10,158.39

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Solution

The fourth proportional to 15,604.16, 21,543.27 and 10,158.39 is: 14,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.16 : 21,543.27 = 10,158.39 : x
  2. Step 2: Convert to fraction form
    15,604.16/21,543.27 = 10,158.39/x
  3. Step 3: Cross multiply
    15,604.16x = 21,543.27 × 10,158.39
  4. Step 4: Simplify right side
    15,604.16x = 218,844,938.54
  5. Step 5: Solve for x
    x = 218,844,938.54/15,604.16
  6. Step 6: Final answer
    x = 14,024.78

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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.