Home / 18,997.29-26,215.83-10,499.04

Finding the Fourth Proportional to 18,997.29, 26,215.83 and 10,499.04

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Solution

The fourth proportional to 18,997.29, 26,215.83 and 10,499.04 is: 14,488.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.29 : 26,215.83 = 10,499.04 : x
  2. Step 2: Convert to fraction form
    18,997.29/26,215.83 = 10,499.04/x
  3. Step 3: Cross multiply
    18,997.29x = 26,215.83 × 10,499.04
  4. Step 4: Simplify right side
    18,997.29x = 275,241,047.80
  5. Step 5: Solve for x
    x = 275,241,047.80/18,997.29
  6. Step 6: Final answer
    x = 14,488.44

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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.