Home / 11,310.20-15,608.05-6,275.18

Finding the Fourth Proportional to 11,310.20, 15,608.05 and 6,275.18

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Solution

The fourth proportional to 11,310.20, 15,608.05 and 6,275.18 is: 8,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.20 : 15,608.05 = 6,275.18 : x
  2. Step 2: Convert to fraction form
    11,310.20/15,608.05 = 6,275.18/x
  3. Step 3: Cross multiply
    11,310.20x = 15,608.05 × 6,275.18
  4. Step 4: Simplify right side
    11,310.20x = 97,943,291.82
  5. Step 5: Solve for x
    x = 97,943,291.82/11,310.20
  6. Step 6: Final answer
    x = 8,659.74

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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.