Home / 11,182.60-15,432.33-6,147.20

Finding the Fourth Proportional to 11,182.60, 15,432.33 and 6,147.20

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Solution

The fourth proportional to 11,182.60, 15,432.33 and 6,147.20 is: 8,483.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.60 : 15,432.33 = 6,147.20 : x
  2. Step 2: Convert to fraction form
    11,182.60/15,432.33 = 6,147.20/x
  3. Step 3: Cross multiply
    11,182.60x = 15,432.33 × 6,147.20
  4. Step 4: Simplify right side
    11,182.60x = 94,865,657.56
  5. Step 5: Solve for x
    x = 94,865,657.56/11,182.60
  6. Step 6: Final answer
    x = 8,483.33

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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.