Home / 20,414.40-30,621.60-10,046.40

Finding the Fourth Proportional to 20,414.40, 30,621.60 and 10,046.40

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Solution

The fourth proportional to 20,414.40, 30,621.60 and 10,046.40 is: 15,069.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,414.40 : 30,621.60 = 10,046.40 : x
  2. Step 2: Convert to fraction form
    20,414.40/30,621.60 = 10,046.40/x
  3. Step 3: Cross multiply
    20,414.40x = 30,621.60 × 10,046.40
  4. Step 4: Simplify right side
    20,414.40x = 307,636,842.24
  5. Step 5: Solve for x
    x = 307,636,842.24/20,414.40
  6. Step 6: Final answer
    x = 15,069.60

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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.