Home / 10,630.16-15,944.12-2,839.76

Finding the Fourth Proportional to 10,630.16, 15,944.12 and 2,839.76

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Solution

The fourth proportional to 10,630.16, 15,944.12 and 2,839.76 is: 4,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.16 : 15,944.12 = 2,839.76 : x
  2. Step 2: Convert to fraction form
    10,630.16/15,944.12 = 2,839.76/x
  3. Step 3: Cross multiply
    10,630.16x = 15,944.12 × 2,839.76
  4. Step 4: Simplify right side
    10,630.16x = 45,277,474.21
  5. Step 5: Solve for x
    x = 45,277,474.21/10,630.16
  6. Step 6: Final answer
    x = 4,259.34

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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.