Home / 12,545.89-18,818.84-4,651.12

Finding the Fourth Proportional to 12,545.89, 18,818.84 and 4,651.12

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Solution

The fourth proportional to 12,545.89, 18,818.84 and 4,651.12 is: 6,976.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.89 : 18,818.84 = 4,651.12 : x
  2. Step 2: Convert to fraction form
    12,545.89/18,818.84 = 4,651.12/x
  3. Step 3: Cross multiply
    12,545.89x = 18,818.84 × 4,651.12
  4. Step 4: Simplify right side
    12,545.89x = 87,528,683.10
  5. Step 5: Solve for x
    x = 87,528,683.10/12,545.89
  6. Step 6: Final answer
    x = 6,976.68

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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.