Home / 19,170.18-28,767.56-9,304.08

Finding the Fourth Proportional to 19,170.18, 28,767.56 and 9,304.08

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Solution

The fourth proportional to 19,170.18, 28,767.56 and 9,304.08 is: 13,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.18 : 28,767.56 = 9,304.08 : x
  2. Step 2: Convert to fraction form
    19,170.18/28,767.56 = 9,304.08/x
  3. Step 3: Cross multiply
    19,170.18x = 28,767.56 × 9,304.08
  4. Step 4: Simplify right side
    19,170.18x = 267,655,679.64
  5. Step 5: Solve for x
    x = 267,655,679.64/19,170.18
  6. Step 6: Final answer
    x = 13,962.08

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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.