Home / 17,943.20-24,760.17-10,390.02

Finding the Fourth Proportional to 17,943.20, 24,760.17 and 10,390.02

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Solution

The fourth proportional to 17,943.20, 24,760.17 and 10,390.02 is: 14,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,943.20 : 24,760.17 = 10,390.02 : x
  2. Step 2: Convert to fraction form
    17,943.20/24,760.17 = 10,390.02/x
  3. Step 3: Cross multiply
    17,943.20x = 24,760.17 × 10,390.02
  4. Step 4: Simplify right side
    17,943.20x = 257,258,536.63
  5. Step 5: Solve for x
    x = 257,258,536.63/17,943.20
  6. Step 6: Final answer
    x = 14,337.38

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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.