Home / 19,517.20-29,275.88-4,726.09

Finding the Fourth Proportional to 19,517.20, 29,275.88 and 4,726.09

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Solution

The fourth proportional to 19,517.20, 29,275.88 and 4,726.09 is: 7,089.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.20 : 29,275.88 = 4,726.09 : x
  2. Step 2: Convert to fraction form
    19,517.20/29,275.88 = 4,726.09/x
  3. Step 3: Cross multiply
    19,517.20x = 29,275.88 × 4,726.09
  4. Step 4: Simplify right side
    19,517.20x = 138,360,443.71
  5. Step 5: Solve for x
    x = 138,360,443.71/19,517.20
  6. Step 6: Final answer
    x = 7,089.15

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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.