Home / 10,147.88-15,218.08-4,304.95

Finding the Fourth Proportional to 10,147.88, 15,218.08 and 4,304.95

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Solution

The fourth proportional to 10,147.88, 15,218.08 and 4,304.95 is: 6,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.88 : 15,218.08 = 4,304.95 : x
  2. Step 2: Convert to fraction form
    10,147.88/15,218.08 = 4,304.95/x
  3. Step 3: Cross multiply
    10,147.88x = 15,218.08 × 4,304.95
  4. Step 4: Simplify right side
    10,147.88x = 65,513,024.69
  5. Step 5: Solve for x
    x = 65,513,024.69/10,147.88
  6. Step 6: Final answer
    x = 6,455.83

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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.