Home / 14,729.64-20,319.16-8,757.06

Finding the Fourth Proportional to 14,729.64, 20,319.16 and 8,757.06

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Solution

The fourth proportional to 14,729.64, 20,319.16 and 8,757.06 is: 12,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,729.64 : 20,319.16 = 8,757.06 : x
  2. Step 2: Convert to fraction form
    14,729.64/20,319.16 = 8,757.06/x
  3. Step 3: Cross multiply
    14,729.64x = 20,319.16 × 8,757.06
  4. Step 4: Simplify right side
    14,729.64x = 177,936,103.27
  5. Step 5: Solve for x
    x = 177,936,103.27/14,729.64
  6. Step 6: Final answer
    x = 12,080.14

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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.