Home / 15,145.92-22,701.60-9,306.72

Finding the Fourth Proportional to 15,145.92, 22,701.60 and 9,306.72

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Solution

The fourth proportional to 15,145.92, 22,701.60 and 9,306.72 is: 13,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,145.92 : 22,701.60 = 9,306.72 : x
  2. Step 2: Convert to fraction form
    15,145.92/22,701.60 = 9,306.72/x
  3. Step 3: Cross multiply
    15,145.92x = 22,701.60 × 9,306.72
  4. Step 4: Simplify right side
    15,145.92x = 211,277,434.75
  5. Step 5: Solve for x
    x = 211,277,434.75/15,145.92
  6. Step 6: Final answer
    x = 13,949.46

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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.