Home / 18,426.76-27,618.50-8,545.23

Finding the Fourth Proportional to 18,426.76, 27,618.50 and 8,545.23

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Solution

The fourth proportional to 18,426.76, 27,618.50 and 8,545.23 is: 12,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.76 : 27,618.50 = 8,545.23 : x
  2. Step 2: Convert to fraction form
    18,426.76/27,618.50 = 8,545.23/x
  3. Step 3: Cross multiply
    18,426.76x = 27,618.50 × 8,545.23
  4. Step 4: Simplify right side
    18,426.76x = 236,006,456.12
  5. Step 5: Solve for x
    x = 236,006,456.12/18,426.76
  6. Step 6: Final answer
    x = 12,807.81

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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.