Home / 10,363.38-14,308.83-6,385.74

Finding the Fourth Proportional to 10,363.38, 14,308.83 and 6,385.74

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Solution

The fourth proportional to 10,363.38, 14,308.83 and 6,385.74 is: 8,816.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,363.38 : 14,308.83 = 6,385.74 : x
  2. Step 2: Convert to fraction form
    10,363.38/14,308.83 = 6,385.74/x
  3. Step 3: Cross multiply
    10,363.38x = 14,308.83 × 6,385.74
  4. Step 4: Simplify right side
    10,363.38x = 91,372,468.08
  5. Step 5: Solve for x
    x = 91,372,468.08/10,363.38
  6. Step 6: Final answer
    x = 8,816.86

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Half scale
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Double scale
Find fourth proportional to 10,364.38, 14,310.21 and 6,386.74
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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.