Home / 15,997.40-23,948.70-11,856

Finding the Fourth Proportional to 15,997.40, 23,948.70 and 11,856

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Solution

The fourth proportional to 15,997.40, 23,948.70 and 11,856 is: 17,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.40 : 23,948.70 = 11,856 : x
  2. Step 2: Convert to fraction form
    15,997.40/23,948.70 = 11,856/x
  3. Step 3: Cross multiply
    15,997.40x = 23,948.70 × 11,856
  4. Step 4: Simplify right side
    15,997.40x = 283,935,787.20
  5. Step 5: Solve for x
    x = 283,935,787.20/15,997.40
  6. Step 6: Final answer
    x = 17,748.87

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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.