Home / 14,132.60-21,196.20-4,272.20

Finding the Fourth Proportional to 14,132.60, 21,196.20 and 4,272.20

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Solution

The fourth proportional to 14,132.60, 21,196.20 and 4,272.20 is: 6,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.60 : 21,196.20 = 4,272.20 : x
  2. Step 2: Convert to fraction form
    14,132.60/21,196.20 = 4,272.20/x
  3. Step 3: Cross multiply
    14,132.60x = 21,196.20 × 4,272.20
  4. Step 4: Simplify right side
    14,132.60x = 90,554,405.64
  5. Step 5: Solve for x
    x = 90,554,405.64/14,132.60
  6. Step 6: Final answer
    x = 6,407.48

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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.