Home / 12,294.22-18,445.35-10,097.20

Finding the Fourth Proportional to 12,294.22, 18,445.35 and 10,097.20

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Solution

The fourth proportional to 12,294.22, 18,445.35 and 10,097.20 is: 15,149.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294.22 : 18,445.35 = 10,097.20 : x
  2. Step 2: Convert to fraction form
    12,294.22/18,445.35 = 10,097.20/x
  3. Step 3: Cross multiply
    12,294.22x = 18,445.35 × 10,097.20
  4. Step 4: Simplify right side
    12,294.22x = 186,246,388.02
  5. Step 5: Solve for x
    x = 186,246,388.02/12,294.22
  6. Step 6: Final answer
    x = 15,149.10

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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.