Home / 9,074.86-12,522.66-8,331.28

Finding the Fourth Proportional to 9,074.86, 12,522.66 and 8,331.28

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Solution

The fourth proportional to 9,074.86, 12,522.66 and 8,331.28 is: 11,496.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,074.86 : 12,522.66 = 8,331.28 : x
  2. Step 2: Convert to fraction form
    9,074.86/12,522.66 = 8,331.28/x
  3. Step 3: Cross multiply
    9,074.86x = 12,522.66 × 8,331.28
  4. Step 4: Simplify right side
    9,074.86x = 104,329,786.80
  5. Step 5: Solve for x
    x = 104,329,786.80/9,074.86
  6. Step 6: Final answer
    x = 11,496.57

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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.