Home / 14,422.08-21,640.80-6,214.72

Finding the Fourth Proportional to 14,422.08, 21,640.80 and 6,214.72

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Solution

The fourth proportional to 14,422.08, 21,640.80 and 6,214.72 is: 9,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.08 : 21,640.80 = 6,214.72 : x
  2. Step 2: Convert to fraction form
    14,422.08/21,640.80 = 6,214.72/x
  3. Step 3: Cross multiply
    14,422.08x = 21,640.80 × 6,214.72
  4. Step 4: Simplify right side
    14,422.08x = 134,491,512.58
  5. Step 5: Solve for x
    x = 134,491,512.58/14,422.08
  6. Step 6: Final answer
    x = 9,325.39

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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.