Home / 11,370.85-15,691.64-6,335.06

Finding the Fourth Proportional to 11,370.85, 15,691.64 and 6,335.06

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Solution

The fourth proportional to 11,370.85, 15,691.64 and 6,335.06 is: 8,742.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,370.85 : 15,691.64 = 6,335.06 : x
  2. Step 2: Convert to fraction form
    11,370.85/15,691.64 = 6,335.06/x
  3. Step 3: Cross multiply
    11,370.85x = 15,691.64 × 6,335.06
  4. Step 4: Simplify right side
    11,370.85x = 99,407,370.76
  5. Step 5: Solve for x
    x = 99,407,370.76/11,370.85
  6. Step 6: Final answer
    x = 8,742.30

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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.