Home / 9,631.68-13,291.56-5,382.84

Finding the Fourth Proportional to 9,631.68, 13,291.56 and 5,382.84

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Solution

The fourth proportional to 9,631.68, 13,291.56 and 5,382.84 is: 7,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.68 : 13,291.56 = 5,382.84 : x
  2. Step 2: Convert to fraction form
    9,631.68/13,291.56 = 5,382.84/x
  3. Step 3: Cross multiply
    9,631.68x = 13,291.56 × 5,382.84
  4. Step 4: Simplify right side
    9,631.68x = 71,546,340.83
  5. Step 5: Solve for x
    x = 71,546,340.83/9,631.68
  6. Step 6: Final answer
    x = 7,428.23

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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.