Home / 14,549.12-21,818.80-5,781.68

Finding the Fourth Proportional to 14,549.12, 21,818.80 and 5,781.68

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Solution

The fourth proportional to 14,549.12, 21,818.80 and 5,781.68 is: 8,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,549.12 : 21,818.80 = 5,781.68 : x
  2. Step 2: Convert to fraction form
    14,549.12/21,818.80 = 5,781.68/x
  3. Step 3: Cross multiply
    14,549.12x = 21,818.80 × 5,781.68
  4. Step 4: Simplify right side
    14,549.12x = 126,149,319.58
  5. Step 5: Solve for x
    x = 126,149,319.58/14,549.12
  6. Step 6: Final answer
    x = 8,670.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.