Home / 10,100.30-15,150.45-6,601.10

Finding the Fourth Proportional to 10,100.30, 15,150.45 and 6,601.10

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Solution

The fourth proportional to 10,100.30, 15,150.45 and 6,601.10 is: 9,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,100.30 : 15,150.45 = 6,601.10 : x
  2. Step 2: Convert to fraction form
    10,100.30/15,150.45 = 6,601.10/x
  3. Step 3: Cross multiply
    10,100.30x = 15,150.45 × 6,601.10
  4. Step 4: Simplify right side
    10,100.30x = 100,009,635.50
  5. Step 5: Solve for x
    x = 100,009,635.50/10,100.30
  6. Step 6: Final answer
    x = 9,901.65

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Similar ratio
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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.