Home / 14,439.76-21,658.17-9,789.65

Finding the Fourth Proportional to 14,439.76, 21,658.17 and 9,789.65

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Solution

The fourth proportional to 14,439.76, 21,658.17 and 9,789.65 is: 14,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,439.76 : 21,658.17 = 9,789.65 : x
  2. Step 2: Convert to fraction form
    14,439.76/21,658.17 = 9,789.65/x
  3. Step 3: Cross multiply
    14,439.76x = 21,658.17 × 9,789.65
  4. Step 4: Simplify right side
    14,439.76x = 212,025,903.94
  5. Step 5: Solve for x
    x = 212,025,903.94/14,439.76
  6. Step 6: Final answer
    x = 14,683.48

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Double scale
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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.