Home / 15,947.79-22,007.61-9,233.70

Finding the Fourth Proportional to 15,947.79, 22,007.61 and 9,233.70

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Solution

The fourth proportional to 15,947.79, 22,007.61 and 9,233.70 is: 12,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,947.79 : 22,007.61 = 9,233.70 : x
  2. Step 2: Convert to fraction form
    15,947.79/22,007.61 = 9,233.70/x
  3. Step 3: Cross multiply
    15,947.79x = 22,007.61 × 9,233.70
  4. Step 4: Simplify right side
    15,947.79x = 203,211,668.46
  5. Step 5: Solve for x
    x = 203,211,668.46/15,947.79
  6. Step 6: Final answer
    x = 12,742.31

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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.