Home / 9,422.10-14,111.28-8,255.70

Finding the Fourth Proportional to 9,422.10, 14,111.28 and 8,255.70

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Solution

The fourth proportional to 9,422.10, 14,111.28 and 8,255.70 is: 12,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.10 : 14,111.28 = 8,255.70 : x
  2. Step 2: Convert to fraction form
    9,422.10/14,111.28 = 8,255.70/x
  3. Step 3: Cross multiply
    9,422.10x = 14,111.28 × 8,255.70
  4. Step 4: Simplify right side
    9,422.10x = 116,498,494.30
  5. Step 5: Solve for x
    x = 116,498,494.30/9,422.10
  6. Step 6: Final answer
    x = 12,364.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.