Home / 14,691.57-20,277.11-8,403.93

Finding the Fourth Proportional to 14,691.57, 20,277.11 and 8,403.93

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Solution

The fourth proportional to 14,691.57, 20,277.11 and 8,403.93 is: 11,598.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.57 : 20,277.11 = 8,403.93 : x
  2. Step 2: Convert to fraction form
    14,691.57/20,277.11 = 8,403.93/x
  3. Step 3: Cross multiply
    14,691.57x = 20,277.11 × 8,403.93
  4. Step 4: Simplify right side
    14,691.57x = 170,407,371.02
  5. Step 5: Solve for x
    x = 170,407,371.02/14,691.57
  6. Step 6: Final answer
    x = 11,598.99

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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.