Home / 17,165.79-25,753.59-5,479.92

Finding the Fourth Proportional to 17,165.79, 25,753.59 and 5,479.92

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Solution

The fourth proportional to 17,165.79, 25,753.59 and 5,479.92 is: 8,221.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,165.79 : 25,753.59 = 5,479.92 : x
  2. Step 2: Convert to fraction form
    17,165.79/25,753.59 = 5,479.92/x
  3. Step 3: Cross multiply
    17,165.79x = 25,753.59 × 5,479.92
  4. Step 4: Simplify right side
    17,165.79x = 141,127,612.91
  5. Step 5: Solve for x
    x = 141,127,612.91/17,165.79
  6. Step 6: Final answer
    x = 8,221.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.