Home / 15,419.12-23,097.34-12,304.40

Finding the Fourth Proportional to 15,419.12, 23,097.34 and 12,304.40

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Solution

The fourth proportional to 15,419.12, 23,097.34 and 12,304.40 is: 18,431.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.12 : 23,097.34 = 12,304.40 : x
  2. Step 2: Convert to fraction form
    15,419.12/23,097.34 = 12,304.40/x
  3. Step 3: Cross multiply
    15,419.12x = 23,097.34 × 12,304.40
  4. Step 4: Simplify right side
    15,419.12x = 284,198,910.30
  5. Step 5: Solve for x
    x = 284,198,910.30/15,419.12
  6. Step 6: Final answer
    x = 18,431.59

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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.