Home / 10,290.92-14,196.25-6,507.71

Finding the Fourth Proportional to 10,290.92, 14,196.25 and 6,507.71

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Solution

The fourth proportional to 10,290.92, 14,196.25 and 6,507.71 is: 8,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.92 : 14,196.25 = 6,507.71 : x
  2. Step 2: Convert to fraction form
    10,290.92/14,196.25 = 6,507.71/x
  3. Step 3: Cross multiply
    10,290.92x = 14,196.25 × 6,507.71
  4. Step 4: Simplify right side
    10,290.92x = 92,385,078.09
  5. Step 5: Solve for x
    x = 92,385,078.09/10,290.92
  6. Step 6: Final answer
    x = 8,977.34

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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.