Home / 14,888.58-20,545.32-8,174.17

Finding the Fourth Proportional to 14,888.58, 20,545.32 and 8,174.17

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Solution

The fourth proportional to 14,888.58, 20,545.32 and 8,174.17 is: 11,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.58 : 20,545.32 = 8,174.17 : x
  2. Step 2: Convert to fraction form
    14,888.58/20,545.32 = 8,174.17/x
  3. Step 3: Cross multiply
    14,888.58x = 20,545.32 × 8,174.17
  4. Step 4: Simplify right side
    14,888.58x = 167,940,938.38
  5. Step 5: Solve for x
    x = 167,940,938.38/14,888.58
  6. Step 6: Final answer
    x = 11,279.85

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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.