Home / 12,752.19-17,601.50-8,275.70

Finding the Fourth Proportional to 12,752.19, 17,601.50 and 8,275.70

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Solution

The fourth proportional to 12,752.19, 17,601.50 and 8,275.70 is: 11,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.19 : 17,601.50 = 8,275.70 : x
  2. Step 2: Convert to fraction form
    12,752.19/17,601.50 = 8,275.70/x
  3. Step 3: Cross multiply
    12,752.19x = 17,601.50 × 8,275.70
  4. Step 4: Simplify right side
    12,752.19x = 145,664,798.24
  5. Step 5: Solve for x
    x = 145,664,798.24/12,752.19
  6. Step 6: Final answer
    x = 11,422.73

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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.