Home / 13,948.56-20,923.20-6,157.44

Finding the Fourth Proportional to 13,948.56, 20,923.20 and 6,157.44

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Solution

The fourth proportional to 13,948.56, 20,923.20 and 6,157.44 is: 9,236.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.56 : 20,923.20 = 6,157.44 : x
  2. Step 2: Convert to fraction form
    13,948.56/20,923.20 = 6,157.44/x
  3. Step 3: Cross multiply
    13,948.56x = 20,923.20 × 6,157.44
  4. Step 4: Simplify right side
    13,948.56x = 128,833,348.61
  5. Step 5: Solve for x
    x = 128,833,348.61/13,948.56
  6. Step 6: Final answer
    x = 9,236.32

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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.