Home / 10,176.10-15,263.98-2,679.55

Finding the Fourth Proportional to 10,176.10, 15,263.98 and 2,679.55

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Solution

The fourth proportional to 10,176.10, 15,263.98 and 2,679.55 is: 4,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,176.10 : 15,263.98 = 2,679.55 : x
  2. Step 2: Convert to fraction form
    10,176.10/15,263.98 = 2,679.55/x
  3. Step 3: Cross multiply
    10,176.10x = 15,263.98 × 2,679.55
  4. Step 4: Simplify right side
    10,176.10x = 40,900,552.75
  5. Step 5: Solve for x
    x = 40,900,552.75/10,176.10
  6. Step 6: Final answer
    x = 4,019.28

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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.