Home / 14,253.92-21,368.68-8,319.84

Finding the Fourth Proportional to 14,253.92, 21,368.68 and 8,319.84

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Solution

The fourth proportional to 14,253.92, 21,368.68 and 8,319.84 is: 12,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.92 : 21,368.68 = 8,319.84 : x
  2. Step 2: Convert to fraction form
    14,253.92/21,368.68 = 8,319.84/x
  3. Step 3: Cross multiply
    14,253.92x = 21,368.68 × 8,319.84
  4. Step 4: Simplify right side
    14,253.92x = 177,783,998.61
  5. Step 5: Solve for x
    x = 177,783,998.61/14,253.92
  6. Step 6: Final answer
    x = 12,472.64

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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.