Home / 10,100.18-15,142.97-4,253.60

Finding the Fourth Proportional to 10,100.18, 15,142.97 and 4,253.60

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Solution

The fourth proportional to 10,100.18, 15,142.97 and 4,253.60 is: 6,377.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.18 : 15,142.97 = 4,253.60 : x
  2. Step 2: Convert to fraction form
    10,100.18/15,142.97 = 4,253.60/x
  3. Step 3: Cross multiply
    10,100.18x = 15,142.97 × 4,253.60
  4. Step 4: Simplify right side
    10,100.18x = 64,412,137.19
  5. Step 5: Solve for x
    x = 64,412,137.19/10,100.18
  6. Step 6: Final answer
    x = 6,377.33

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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.