Home / 11,310.86-15,609.03-6,275.18

Finding the Fourth Proportional to 11,310.86, 15,609.03 and 6,275.18

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Solution

The fourth proportional to 11,310.86, 15,609.03 and 6,275.18 is: 8,659.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.86 : 15,609.03 = 6,275.18 : x
  2. Step 2: Convert to fraction form
    11,310.86/15,609.03 = 6,275.18/x
  3. Step 3: Cross multiply
    11,310.86x = 15,609.03 × 6,275.18
  4. Step 4: Simplify right side
    11,310.86x = 97,949,472.88
  5. Step 5: Solve for x
    x = 97,949,472.88/11,310.86
  6. Step 6: Final answer
    x = 8,659.77

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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.