Home / 14,888.10-20,545.49-8,173.85

Finding the Fourth Proportional to 14,888.10, 20,545.49 and 8,173.85

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Solution

The fourth proportional to 14,888.10, 20,545.49 and 8,173.85 is: 11,279.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,888.10 : 20,545.49 = 8,173.85 : x
  2. Step 2: Convert to fraction form
    14,888.10/20,545.49 = 8,173.85/x
  3. Step 3: Cross multiply
    14,888.10x = 20,545.49 × 8,173.85
  4. Step 4: Simplify right side
    14,888.10x = 167,935,609.84
  5. Step 5: Solve for x
    x = 167,935,609.84/14,888.10
  6. Step 6: Final answer
    x = 11,279.86

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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.