Home / 9,374.20-12,938.07-7,132.66

Finding the Fourth Proportional to 9,374.20, 12,938.07 and 7,132.66

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Solution

The fourth proportional to 9,374.20, 12,938.07 and 7,132.66 is: 9,844.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,374.20 : 12,938.07 = 7,132.66 : x
  2. Step 2: Convert to fraction form
    9,374.20/12,938.07 = 7,132.66/x
  3. Step 3: Cross multiply
    9,374.20x = 12,938.07 × 7,132.66
  4. Step 4: Simplify right side
    9,374.20x = 92,282,854.37
  5. Step 5: Solve for x
    x = 92,282,854.37/9,374.20
  6. Step 6: Final answer
    x = 9,844.34

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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.