Home / 15,105.80-22,658.70-9,565.40

Finding the Fourth Proportional to 15,105.80, 22,658.70 and 9,565.40

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Solution

The fourth proportional to 15,105.80, 22,658.70 and 9,565.40 is: 14,348.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,105.80 : 22,658.70 = 9,565.40 : x
  2. Step 2: Convert to fraction form
    15,105.80/22,658.70 = 9,565.40/x
  3. Step 3: Cross multiply
    15,105.80x = 22,658.70 × 9,565.40
  4. Step 4: Simplify right side
    15,105.80x = 216,739,528.98
  5. Step 5: Solve for x
    x = 216,739,528.98/15,105.80
  6. Step 6: Final answer
    x = 14,348.10

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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.