Home / 12,527.52-17,288.16-6,862.15

Finding the Fourth Proportional to 12,527.52, 17,288.16 and 6,862.15

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Solution

The fourth proportional to 12,527.52, 17,288.16 and 6,862.15 is: 9,469.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.52 : 17,288.16 = 6,862.15 : x
  2. Step 2: Convert to fraction form
    12,527.52/17,288.16 = 6,862.15/x
  3. Step 3: Cross multiply
    12,527.52x = 17,288.16 × 6,862.15
  4. Step 4: Simplify right side
    12,527.52x = 118,633,947.14
  5. Step 5: Solve for x
    x = 118,633,947.14/12,527.52
  6. Step 6: Final answer
    x = 9,469.87

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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.