Home / 14,521.28-20,039.84-8,233.92

Finding the Fourth Proportional to 14,521.28, 20,039.84 and 8,233.92

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Solution

The fourth proportional to 14,521.28, 20,039.84 and 8,233.92 is: 11,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,521.28 : 20,039.84 = 8,233.92 : x
  2. Step 2: Convert to fraction form
    14,521.28/20,039.84 = 8,233.92/x
  3. Step 3: Cross multiply
    14,521.28x = 20,039.84 × 8,233.92
  4. Step 4: Simplify right side
    14,521.28x = 165,006,439.37
  5. Step 5: Solve for x
    x = 165,006,439.37/14,521.28
  6. Step 6: Final answer
    x = 11,363.08

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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.