Home / 16,635.90-22,961.40-10,971.66

Finding the Fourth Proportional to 16,635.90, 22,961.40 and 10,971.66

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Solution

The fourth proportional to 16,635.90, 22,961.40 and 10,971.66 is: 15,143.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,635.90 : 22,961.40 = 10,971.66 : x
  2. Step 2: Convert to fraction form
    16,635.90/22,961.40 = 10,971.66/x
  3. Step 3: Cross multiply
    16,635.90x = 22,961.40 × 10,971.66
  4. Step 4: Simplify right side
    16,635.90x = 251,924,673.92
  5. Step 5: Solve for x
    x = 251,924,673.92/16,635.90
  6. Step 6: Final answer
    x = 15,143.44

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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.