Home / 14,572.87-20,112.11-8,910.93

Finding the Fourth Proportional to 14,572.87, 20,112.11 and 8,910.93

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Solution

The fourth proportional to 14,572.87, 20,112.11 and 8,910.93 is: 12,298.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,572.87 : 20,112.11 = 8,910.93 : x
  2. Step 2: Convert to fraction form
    14,572.87/20,112.11 = 8,910.93/x
  3. Step 3: Cross multiply
    14,572.87x = 20,112.11 × 8,910.93
  4. Step 4: Simplify right side
    14,572.87x = 179,217,718.77
  5. Step 5: Solve for x
    x = 179,217,718.77/14,572.87
  6. Step 6: Final answer
    x = 12,298.04

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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.