Home / 10,269.27-15,403.92-2,478.09

Finding the Fourth Proportional to 10,269.27, 15,403.92 and 2,478.09

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Solution

The fourth proportional to 10,269.27, 15,403.92 and 2,478.09 is: 3,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.27 : 15,403.92 = 2,478.09 : x
  2. Step 2: Convert to fraction form
    10,269.27/15,403.92 = 2,478.09/x
  3. Step 3: Cross multiply
    10,269.27x = 15,403.92 × 2,478.09
  4. Step 4: Simplify right side
    10,269.27x = 38,172,300.11
  5. Step 5: Solve for x
    x = 38,172,300.11/10,269.27
  6. Step 6: Final answer
    x = 3,717.14

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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.