Home / 18,103.36-24,984-10,145.92

Finding the Fourth Proportional to 18,103.36, 24,984 and 10,145.92

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Solution

The fourth proportional to 18,103.36, 24,984 and 10,145.92 is: 14,002.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.36 : 24,984 = 10,145.92 : x
  2. Step 2: Convert to fraction form
    18,103.36/24,984 = 10,145.92/x
  3. Step 3: Cross multiply
    18,103.36x = 24,984 × 10,145.92
  4. Step 4: Simplify right side
    18,103.36x = 253,485,665.28
  5. Step 5: Solve for x
    x = 253,485,665.28/18,103.36
  6. Step 6: Final answer
    x = 14,002.13

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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.