Home / 14,545.16-20,066.10-11,388.68

Finding the Fourth Proportional to 14,545.16, 20,066.10 and 11,388.68

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Solution

The fourth proportional to 14,545.16, 20,066.10 and 11,388.68 is: 15,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,545.16 : 20,066.10 = 11,388.68 : x
  2. Step 2: Convert to fraction form
    14,545.16/20,066.10 = 11,388.68/x
  3. Step 3: Cross multiply
    14,545.16x = 20,066.10 × 11,388.68
  4. Step 4: Simplify right side
    14,545.16x = 228,526,391.75
  5. Step 5: Solve for x
    x = 228,526,391.75/14,545.16
  6. Step 6: Final answer
    x = 15,711.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.