Home / 10,667.52-15,999.12-2,874.51

Finding the Fourth Proportional to 10,667.52, 15,999.12 and 2,874.51

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Solution

The fourth proportional to 10,667.52, 15,999.12 and 2,874.51 is: 4,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.52 : 15,999.12 = 2,874.51 : x
  2. Step 2: Convert to fraction form
    10,667.52/15,999.12 = 2,874.51/x
  3. Step 3: Cross multiply
    10,667.52x = 15,999.12 × 2,874.51
  4. Step 4: Simplify right side
    10,667.52x = 45,989,630.43
  5. Step 5: Solve for x
    x = 45,989,630.43/10,667.52
  6. Step 6: Final answer
    x = 4,311.18

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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.