Home / 17,345.59-23,947.22-11,387.70

Finding the Fourth Proportional to 17,345.59, 23,947.22 and 11,387.70

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Solution

The fourth proportional to 17,345.59, 23,947.22 and 11,387.70 is: 15,721.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,345.59 : 23,947.22 = 11,387.70 : x
  2. Step 2: Convert to fraction form
    17,345.59/23,947.22 = 11,387.70/x
  3. Step 3: Cross multiply
    17,345.59x = 23,947.22 × 11,387.70
  4. Step 4: Simplify right side
    17,345.59x = 272,703,711.56
  5. Step 5: Solve for x
    x = 272,703,711.56/17,345.59
  6. Step 6: Final answer
    x = 15,721.79

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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.