Home / 9,637.20-14,455.80-8,543.70

Finding the Fourth Proportional to 9,637.20, 14,455.80 and 8,543.70

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Solution

The fourth proportional to 9,637.20, 14,455.80 and 8,543.70 is: 12,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,637.20 : 14,455.80 = 8,543.70 : x
  2. Step 2: Convert to fraction form
    9,637.20/14,455.80 = 8,543.70/x
  3. Step 3: Cross multiply
    9,637.20x = 14,455.80 × 8,543.70
  4. Step 4: Simplify right side
    9,637.20x = 123,506,018.46
  5. Step 5: Solve for x
    x = 123,506,018.46/9,637.20
  6. Step 6: Final answer
    x = 12,815.55

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Similar ratio
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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.