Home / 26,141.64-39,213.16-6,420.12

Finding the Fourth Proportional to 26,141.64, 39,213.16 and 6,420.12

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Solution

The fourth proportional to 26,141.64, 39,213.16 and 6,420.12 is: 9,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.64 : 39,213.16 = 6,420.12 : x
  2. Step 2: Convert to fraction form
    26,141.64/39,213.16 = 6,420.12/x
  3. Step 3: Cross multiply
    26,141.64x = 39,213.16 × 6,420.12
  4. Step 4: Simplify right side
    26,141.64x = 251,753,192.78
  5. Step 5: Solve for x
    x = 251,753,192.78/26,141.64
  6. Step 6: Final answer
    x = 9,630.35

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Double scale
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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.