Home / 12,716.12-17,549.10-7,339.52

Finding the Fourth Proportional to 12,716.12, 17,549.10 and 7,339.52

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Solution

The fourth proportional to 12,716.12, 17,549.10 and 7,339.52 is: 10,129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.12 : 17,549.10 = 7,339.52 : x
  2. Step 2: Convert to fraction form
    12,716.12/17,549.10 = 7,339.52/x
  3. Step 3: Cross multiply
    12,716.12x = 17,549.10 × 7,339.52
  4. Step 4: Simplify right side
    12,716.12x = 128,801,970.43
  5. Step 5: Solve for x
    x = 128,801,970.43/12,716.12
  6. Step 6: Final answer
    x = 10,129.03

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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.