Home / 10,100.84-15,151.25-4,253.72

Finding the Fourth Proportional to 10,100.84, 15,151.25 and 4,253.72

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Solution

The fourth proportional to 10,100.84, 15,151.25 and 4,253.72 is: 6,380.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.84 : 15,151.25 = 4,253.72 : x
  2. Step 2: Convert to fraction form
    10,100.84/15,151.25 = 4,253.72/x
  3. Step 3: Cross multiply
    10,100.84x = 15,151.25 × 4,253.72
  4. Step 4: Simplify right side
    10,100.84x = 64,449,110.03
  5. Step 5: Solve for x
    x = 64,449,110.03/10,100.84
  6. Step 6: Final answer
    x = 6,380.57

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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.