Home / 10,269.72-15,407.19-2,874.20

Finding the Fourth Proportional to 10,269.72, 15,407.19 and 2,874.20

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Solution

The fourth proportional to 10,269.72, 15,407.19 and 2,874.20 is: 4,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,269.72 : 15,407.19 = 2,874.20 : x
  2. Step 2: Convert to fraction form
    10,269.72/15,407.19 = 2,874.20/x
  3. Step 3: Cross multiply
    10,269.72x = 15,407.19 × 2,874.20
  4. Step 4: Simplify right side
    10,269.72x = 44,283,268.46
  5. Step 5: Solve for x
    x = 44,283,268.46/10,269.72
  6. Step 6: Final answer
    x = 4,312.02

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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.