Home / 18,675.12-25,773.48-13,951.20

Finding the Fourth Proportional to 18,675.12, 25,773.48 and 13,951.20

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Solution

The fourth proportional to 18,675.12, 25,773.48 and 13,951.20 is: 19,254.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,675.12 : 25,773.48 = 13,951.20 : x
  2. Step 2: Convert to fraction form
    18,675.12/25,773.48 = 13,951.20/x
  3. Step 3: Cross multiply
    18,675.12x = 25,773.48 × 13,951.20
  4. Step 4: Simplify right side
    18,675.12x = 359,570,974.18
  5. Step 5: Solve for x
    x = 359,570,974.18/18,675.12
  6. Step 6: Final answer
    x = 19,254.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.