Home / 18,997.06-26,215.80-10,499.76

Finding the Fourth Proportional to 18,997.06, 26,215.80 and 10,499.76

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Solution

The fourth proportional to 18,997.06, 26,215.80 and 10,499.76 is: 14,489.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.06 : 26,215.80 = 10,499.76 : x
  2. Step 2: Convert to fraction form
    18,997.06/26,215.80 = 10,499.76/x
  3. Step 3: Cross multiply
    18,997.06x = 26,215.80 × 10,499.76
  4. Step 4: Simplify right side
    18,997.06x = 275,259,608.21
  5. Step 5: Solve for x
    x = 275,259,608.21/18,997.06
  6. Step 6: Final answer
    x = 14,489.59

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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.