Home / 12,507.44-17,250.65-8,729.40

Finding the Fourth Proportional to 12,507.44, 17,250.65 and 8,729.40

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Solution

The fourth proportional to 12,507.44, 17,250.65 and 8,729.40 is: 12,039.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507.44 : 17,250.65 = 8,729.40 : x
  2. Step 2: Convert to fraction form
    12,507.44/17,250.65 = 8,729.40/x
  3. Step 3: Cross multiply
    12,507.44x = 17,250.65 × 8,729.40
  4. Step 4: Simplify right side
    12,507.44x = 150,587,824.11
  5. Step 5: Solve for x
    x = 150,587,824.11/12,507.44
  6. Step 6: Final answer
    x = 12,039.86

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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.