Home / 9,868.68-13,613.40-6,327.96

Finding the Fourth Proportional to 9,868.68, 13,613.40 and 6,327.96

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Solution

The fourth proportional to 9,868.68, 13,613.40 and 6,327.96 is: 8,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,868.68 : 13,613.40 = 6,327.96 : x
  2. Step 2: Convert to fraction form
    9,868.68/13,613.40 = 6,327.96/x
  3. Step 3: Cross multiply
    9,868.68x = 13,613.40 × 6,327.96
  4. Step 4: Simplify right side
    9,868.68x = 86,145,050.66
  5. Step 5: Solve for x
    x = 86,145,050.66/9,868.68
  6. Step 6: Final answer
    x = 8,729.14

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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.