Home / 12,545.38-18,829.35-6,706.98

Finding the Fourth Proportional to 12,545.38, 18,829.35 and 6,706.98

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Solution

The fourth proportional to 12,545.38, 18,829.35 and 6,706.98 is: 10,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,545.38 : 18,829.35 = 6,706.98 : x
  2. Step 2: Convert to fraction form
    12,545.38/18,829.35 = 6,706.98/x
  3. Step 3: Cross multiply
    12,545.38x = 18,829.35 × 6,706.98
  4. Step 4: Simplify right side
    12,545.38x = 126,288,073.86
  5. Step 5: Solve for x
    x = 126,288,073.86/12,545.38
  6. Step 6: Final answer
    x = 10,066.50

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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.