Home / 12,442.25-17,171.03-9,370.61

Finding the Fourth Proportional to 12,442.25, 17,171.03 and 9,370.61

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Solution

The fourth proportional to 12,442.25, 17,171.03 and 9,370.61 is: 12,931.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.25 : 17,171.03 = 9,370.61 : x
  2. Step 2: Convert to fraction form
    12,442.25/17,171.03 = 9,370.61/x
  3. Step 3: Cross multiply
    12,442.25x = 17,171.03 × 9,370.61
  4. Step 4: Simplify right side
    12,442.25x = 160,903,021.50
  5. Step 5: Solve for x
    x = 160,903,021.50/12,442.25
  6. Step 6: Final answer
    x = 12,931.98

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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.