Home / 14,992.04-20,691.24-8,703.20

Finding the Fourth Proportional to 14,992.04, 20,691.24 and 8,703.20

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Solution

The fourth proportional to 14,992.04, 20,691.24 and 8,703.20 is: 12,011.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,992.04 : 20,691.24 = 8,703.20 : x
  2. Step 2: Convert to fraction form
    14,992.04/20,691.24 = 8,703.20/x
  3. Step 3: Cross multiply
    14,992.04x = 20,691.24 × 8,703.20
  4. Step 4: Simplify right side
    14,992.04x = 180,079,999.97
  5. Step 5: Solve for x
    x = 180,079,999.97/14,992.04
  6. Step 6: Final answer
    x = 12,011.71

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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.