Home / 11,613.40-16,026.15-6,308.20

Finding the Fourth Proportional to 11,613.40, 16,026.15 and 6,308.20

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Solution

The fourth proportional to 11,613.40, 16,026.15 and 6,308.20 is: 8,705.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.40 : 16,026.15 = 6,308.20 : x
  2. Step 2: Convert to fraction form
    11,613.40/16,026.15 = 6,308.20/x
  3. Step 3: Cross multiply
    11,613.40x = 16,026.15 × 6,308.20
  4. Step 4: Simplify right side
    11,613.40x = 101,096,248.19
  5. Step 5: Solve for x
    x = 101,096,248.19/11,613.40
  6. Step 6: Final answer
    x = 8,705.14

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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.