Home / 14,932.79-20,607.85-8,218.92

Finding the Fourth Proportional to 14,932.79, 20,607.85 and 8,218.92

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Solution

The fourth proportional to 14,932.79, 20,607.85 and 8,218.92 is: 11,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,932.79 : 20,607.85 = 8,218.92 : x
  2. Step 2: Convert to fraction form
    14,932.79/20,607.85 = 8,218.92/x
  3. Step 3: Cross multiply
    14,932.79x = 20,607.85 × 8,218.92
  4. Step 4: Simplify right side
    14,932.79x = 169,374,270.52
  5. Step 5: Solve for x
    x = 169,374,270.52/14,932.79
  6. Step 6: Final answer
    x = 11,342.44

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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.