Home / 12,752.88-19,126.29-5,357.49

Finding the Fourth Proportional to 12,752.88, 19,126.29 and 5,357.49

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Solution

The fourth proportional to 12,752.88, 19,126.29 and 5,357.49 is: 8,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752.88 : 19,126.29 = 5,357.49 : x
  2. Step 2: Convert to fraction form
    12,752.88/19,126.29 = 5,357.49/x
  3. Step 3: Cross multiply
    12,752.88x = 19,126.29 × 5,357.49
  4. Step 4: Simplify right side
    12,752.88x = 102,468,825.64
  5. Step 5: Solve for x
    x = 102,468,825.64/12,752.88
  6. Step 6: Final answer
    x = 8,034.95

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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.