Home / 11,951.40-17,927.10-9,132.60

Finding the Fourth Proportional to 11,951.40, 17,927.10 and 9,132.60

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Solution

The fourth proportional to 11,951.40, 17,927.10 and 9,132.60 is: 13,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,951.40 : 17,927.10 = 9,132.60 : x
  2. Step 2: Convert to fraction form
    11,951.40/17,927.10 = 9,132.60/x
  3. Step 3: Cross multiply
    11,951.40x = 17,927.10 × 9,132.60
  4. Step 4: Simplify right side
    11,951.40x = 163,721,033.46
  5. Step 5: Solve for x
    x = 163,721,033.46/11,951.40
  6. Step 6: Final answer
    x = 13,698.90

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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.