Home / 10,900.39-15,042.62-6,366.23

Finding the Fourth Proportional to 10,900.39, 15,042.62 and 6,366.23

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Solution

The fourth proportional to 10,900.39, 15,042.62 and 6,366.23 is: 8,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.39 : 15,042.62 = 6,366.23 : x
  2. Step 2: Convert to fraction form
    10,900.39/15,042.62 = 6,366.23/x
  3. Step 3: Cross multiply
    10,900.39x = 15,042.62 × 6,366.23
  4. Step 4: Simplify right side
    10,900.39x = 95,764,778.72
  5. Step 5: Solve for x
    x = 95,764,778.72/10,900.39
  6. Step 6: Final answer
    x = 8,785.45

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Half scale
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Double scale
Find fourth proportional to 10,901.39, 15,044 and 6,367.23
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.