Home / 15,020.40-22,530.60-12,104.40

Finding the Fourth Proportional to 15,020.40, 22,530.60 and 12,104.40

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Solution

The fourth proportional to 15,020.40, 22,530.60 and 12,104.40 is: 18,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.40 : 22,530.60 = 12,104.40 : x
  2. Step 2: Convert to fraction form
    15,020.40/22,530.60 = 12,104.40/x
  3. Step 3: Cross multiply
    15,020.40x = 22,530.60 × 12,104.40
  4. Step 4: Simplify right side
    15,020.40x = 272,719,394.64
  5. Step 5: Solve for x
    x = 272,719,394.64/15,020.40
  6. Step 6: Final answer
    x = 18,156.60

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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.