Home / 19,517.64-29,276.47-4,726.57

Finding the Fourth Proportional to 19,517.64, 29,276.47 and 4,726.57

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Solution

The fourth proportional to 19,517.64, 29,276.47 and 4,726.57 is: 7,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.64 : 29,276.47 = 4,726.57 : x
  2. Step 2: Convert to fraction form
    19,517.64/29,276.47 = 4,726.57/x
  3. Step 3: Cross multiply
    19,517.64x = 29,276.47 × 4,726.57
  4. Step 4: Simplify right side
    19,517.64x = 138,377,231.57
  5. Step 5: Solve for x
    x = 138,377,231.57/19,517.64
  6. Step 6: Final answer
    x = 7,089.86

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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.