Home / 14,480.68-19,981.20-8,192.92

Finding the Fourth Proportional to 14,480.68, 19,981.20 and 8,192.92

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Solution

The fourth proportional to 14,480.68, 19,981.20 and 8,192.92 is: 11,305.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,480.68 : 19,981.20 = 8,192.92 : x
  2. Step 2: Convert to fraction form
    14,480.68/19,981.20 = 8,192.92/x
  3. Step 3: Cross multiply
    14,480.68x = 19,981.20 × 8,192.92
  4. Step 4: Simplify right side
    14,480.68x = 163,704,373.10
  5. Step 5: Solve for x
    x = 163,704,373.10/14,480.68
  6. Step 6: Final answer
    x = 11,305.02

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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.