Home / 12,559.90-17,332.53-7,254.61

Finding the Fourth Proportional to 12,559.90, 17,332.53 and 7,254.61

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Solution

The fourth proportional to 12,559.90, 17,332.53 and 7,254.61 is: 10,011.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.90 : 17,332.53 = 7,254.61 : x
  2. Step 2: Convert to fraction form
    12,559.90/17,332.53 = 7,254.61/x
  3. Step 3: Cross multiply
    12,559.90x = 17,332.53 × 7,254.61
  4. Step 4: Simplify right side
    12,559.90x = 125,740,745.46
  5. Step 5: Solve for x
    x = 125,740,745.46/12,559.90
  6. Step 6: Final answer
    x = 10,011.29

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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.