Home / 13,545.32-20,290.68-11,346.17

Finding the Fourth Proportional to 13,545.32, 20,290.68 and 11,346.17

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Solution

The fourth proportional to 13,545.32, 20,290.68 and 11,346.17 is: 16,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545.32 : 20,290.68 = 11,346.17 : x
  2. Step 2: Convert to fraction form
    13,545.32/20,290.68 = 11,346.17/x
  3. Step 3: Cross multiply
    13,545.32x = 20,290.68 × 11,346.17
  4. Step 4: Simplify right side
    13,545.32x = 230,221,403.24
  5. Step 5: Solve for x
    x = 230,221,403.24/13,545.32
  6. Step 6: Final answer
    x = 16,996.39

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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.