Home / 10,378.82-15,568.19-6,220.08

Finding the Fourth Proportional to 10,378.82, 15,568.19 and 6,220.08

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Solution

The fourth proportional to 10,378.82, 15,568.19 and 6,220.08 is: 9,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.82 : 15,568.19 = 6,220.08 : x
  2. Step 2: Convert to fraction form
    10,378.82/15,568.19 = 6,220.08/x
  3. Step 3: Cross multiply
    10,378.82x = 15,568.19 × 6,220.08
  4. Step 4: Simplify right side
    10,378.82x = 96,835,387.26
  5. Step 5: Solve for x
    x = 96,835,387.26/10,378.82
  6. Step 6: Final answer
    x = 9,330.10

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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.