Home / 10,106.72-15,159.34-3,183.20

Finding the Fourth Proportional to 10,106.72, 15,159.34 and 3,183.20

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Solution

The fourth proportional to 10,106.72, 15,159.34 and 3,183.20 is: 4,774.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.72 : 15,159.34 = 3,183.20 : x
  2. Step 2: Convert to fraction form
    10,106.72/15,159.34 = 3,183.20/x
  3. Step 3: Cross multiply
    10,106.72x = 15,159.34 × 3,183.20
  4. Step 4: Simplify right side
    10,106.72x = 48,255,211.09
  5. Step 5: Solve for x
    x = 48,255,211.09/10,106.72
  6. Step 6: Final answer
    x = 4,774.57

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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.