Home / 9,019.40-13,531.38-3,176.60

Finding the Fourth Proportional to 9,019.40, 13,531.38 and 3,176.60

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Solution

The fourth proportional to 9,019.40, 13,531.38 and 3,176.60 is: 4,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.40 : 13,531.38 = 3,176.60 : x
  2. Step 2: Convert to fraction form
    9,019.40/13,531.38 = 3,176.60/x
  3. Step 3: Cross multiply
    9,019.40x = 13,531.38 × 3,176.60
  4. Step 4: Simplify right side
    9,019.40x = 42,983,781.71
  5. Step 5: Solve for x
    x = 42,983,781.71/9,019.40
  6. Step 6: Final answer
    x = 4,765.70

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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.