Home / 13,444.40-20,166.60-13,314.80

Finding the Fourth Proportional to 13,444.40, 20,166.60 and 13,314.80

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Solution

The fourth proportional to 13,444.40, 20,166.60 and 13,314.80 is: 19,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.40 : 20,166.60 = 13,314.80 : x
  2. Step 2: Convert to fraction form
    13,444.40/20,166.60 = 13,314.80/x
  3. Step 3: Cross multiply
    13,444.40x = 20,166.60 × 13,314.80
  4. Step 4: Simplify right side
    13,444.40x = 268,514,245.68
  5. Step 5: Solve for x
    x = 268,514,245.68/13,444.40
  6. Step 6: Final answer
    x = 19,972.20

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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.