Home / 10,218.69-14,103.10-6,238.95

Finding the Fourth Proportional to 10,218.69, 14,103.10 and 6,238.95

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Solution

The fourth proportional to 10,218.69, 14,103.10 and 6,238.95 is: 8,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.69 : 14,103.10 = 6,238.95 : x
  2. Step 2: Convert to fraction form
    10,218.69/14,103.10 = 6,238.95/x
  3. Step 3: Cross multiply
    10,218.69x = 14,103.10 × 6,238.95
  4. Step 4: Simplify right side
    10,218.69x = 87,988,535.75
  5. Step 5: Solve for x
    x = 87,988,535.75/10,218.69
  6. Step 6: Final answer
    x = 8,610.55

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Half scale
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Double scale
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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.