Home / 9,555-14,335.20-2,981.58

Finding the Fourth Proportional to 9,555, 14,335.20 and 2,981.58

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Solution

The fourth proportional to 9,555, 14,335.20 and 2,981.58 is: 4,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555 : 14,335.20 = 2,981.58 : x
  2. Step 2: Convert to fraction form
    9,555/14,335.20 = 2,981.58/x
  3. Step 3: Cross multiply
    9,555x = 14,335.20 × 2,981.58
  4. Step 4: Simplify right side
    9,555x = 42,741,545.62
  5. Step 5: Solve for x
    x = 42,741,545.62/9,555
  6. Step 6: Final answer
    x = 4,473.21

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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.