Home / 13,116.60-19,675.35-4,231.91

Finding the Fourth Proportional to 13,116.60, 19,675.35 and 4,231.91

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Solution

The fourth proportional to 13,116.60, 19,675.35 and 4,231.91 is: 6,348.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116.60 : 19,675.35 = 4,231.91 : x
  2. Step 2: Convert to fraction form
    13,116.60/19,675.35 = 4,231.91/x
  3. Step 3: Cross multiply
    13,116.60x = 19,675.35 × 4,231.91
  4. Step 4: Simplify right side
    13,116.60x = 83,264,375.48
  5. Step 5: Solve for x
    x = 83,264,375.48/13,116.60
  6. Step 6: Final answer
    x = 6,348.02

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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.