Home / 19,997.64-27,602.09-11,500.70

Finding the Fourth Proportional to 19,997.64, 27,602.09 and 11,500.70

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Solution

The fourth proportional to 19,997.64, 27,602.09 and 11,500.70 is: 15,874.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.64 : 27,602.09 = 11,500.70 : x
  2. Step 2: Convert to fraction form
    19,997.64/27,602.09 = 11,500.70/x
  3. Step 3: Cross multiply
    19,997.64x = 27,602.09 × 11,500.70
  4. Step 4: Simplify right side
    19,997.64x = 317,443,247.20
  5. Step 5: Solve for x
    x = 317,443,247.20/19,997.64
  6. Step 6: Final answer
    x = 15,874.04

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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.