Home / 20,097.72-30,165.24-10,244.40

Finding the Fourth Proportional to 20,097.72, 30,165.24 and 10,244.40

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Solution

The fourth proportional to 20,097.72, 30,165.24 and 10,244.40 is: 15,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.72 : 30,165.24 = 10,244.40 : x
  2. Step 2: Convert to fraction form
    20,097.72/30,165.24 = 10,244.40/x
  3. Step 3: Cross multiply
    20,097.72x = 30,165.24 × 10,244.40
  4. Step 4: Simplify right side
    20,097.72x = 309,024,784.66
  5. Step 5: Solve for x
    x = 309,024,784.66/20,097.72
  6. Step 6: Final answer
    x = 15,376.11

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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.