Home / 9,407.73-12,982.82-5,159.18

Finding the Fourth Proportional to 9,407.73, 12,982.82 and 5,159.18

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Solution

The fourth proportional to 9,407.73, 12,982.82 and 5,159.18 is: 7,119.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,407.73 : 12,982.82 = 5,159.18 : x
  2. Step 2: Convert to fraction form
    9,407.73/12,982.82 = 5,159.18/x
  3. Step 3: Cross multiply
    9,407.73x = 12,982.82 × 5,159.18
  4. Step 4: Simplify right side
    9,407.73x = 66,980,711.95
  5. Step 5: Solve for x
    x = 66,980,711.95/9,407.73
  6. Step 6: Final answer
    x = 7,119.75

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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.