Home / 11,314.06-15,613.50-6,278.62

Finding the Fourth Proportional to 11,314.06, 15,613.50 and 6,278.62

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Solution

The fourth proportional to 11,314.06, 15,613.50 and 6,278.62 is: 8,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.06 : 15,613.50 = 6,278.62 : x
  2. Step 2: Convert to fraction form
    11,314.06/15,613.50 = 6,278.62/x
  3. Step 3: Cross multiply
    11,314.06x = 15,613.50 × 6,278.62
  4. Step 4: Simplify right side
    11,314.06x = 98,031,233.37
  5. Step 5: Solve for x
    x = 98,031,233.37/11,314.06
  6. Step 6: Final answer
    x = 8,664.55

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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.