Home / 14,962.11-20,646.78-8,247.79

Finding the Fourth Proportional to 14,962.11, 20,646.78 and 8,247.79

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Solution

The fourth proportional to 14,962.11, 20,646.78 and 8,247.79 is: 11,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,962.11 : 20,646.78 = 8,247.79 : x
  2. Step 2: Convert to fraction form
    14,962.11/20,646.78 = 8,247.79/x
  3. Step 3: Cross multiply
    14,962.11x = 20,646.78 × 8,247.79
  4. Step 4: Simplify right side
    14,962.11x = 170,290,305.62
  5. Step 5: Solve for x
    x = 170,290,305.62/14,962.11
  6. Step 6: Final answer
    x = 11,381.44

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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.