Home / 14,934.11-20,605.76-8,642.84

Finding the Fourth Proportional to 14,934.11, 20,605.76 and 8,642.84

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Solution

The fourth proportional to 14,934.11, 20,605.76 and 8,642.84 is: 11,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,934.11 : 20,605.76 = 8,642.84 : x
  2. Step 2: Convert to fraction form
    14,934.11/20,605.76 = 8,642.84/x
  3. Step 3: Cross multiply
    14,934.11x = 20,605.76 × 8,642.84
  4. Step 4: Simplify right side
    14,934.11x = 178,092,172.93
  5. Step 5: Solve for x
    x = 178,092,172.93/14,934.11
  6. Step 6: Final answer
    x = 11,925.20

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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.