Home / 9,489.22-13,073.76-6,615.25

Finding the Fourth Proportional to 9,489.22, 13,073.76 and 6,615.25

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Solution

The fourth proportional to 9,489.22, 13,073.76 and 6,615.25 is: 9,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.22 : 13,073.76 = 6,615.25 : x
  2. Step 2: Convert to fraction form
    9,489.22/13,073.76 = 6,615.25/x
  3. Step 3: Cross multiply
    9,489.22x = 13,073.76 × 6,615.25
  4. Step 4: Simplify right side
    9,489.22x = 86,486,158.16
  5. Step 5: Solve for x
    x = 86,486,158.16/9,489.22
  6. Step 6: Final answer
    x = 9,114.15

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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.