Home / 9,159.22-12,642.15-6,327.10

Finding the Fourth Proportional to 9,159.22, 12,642.15 and 6,327.10

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Solution

The fourth proportional to 9,159.22, 12,642.15 and 6,327.10 is: 8,733.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,159.22 : 12,642.15 = 6,327.10 : x
  2. Step 2: Convert to fraction form
    9,159.22/12,642.15 = 6,327.10/x
  3. Step 3: Cross multiply
    9,159.22x = 12,642.15 × 6,327.10
  4. Step 4: Simplify right side
    9,159.22x = 79,988,147.27
  5. Step 5: Solve for x
    x = 79,988,147.27/9,159.22
  6. Step 6: Final answer
    x = 8,733.07

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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.