Home / 18,805.02-25,950.96-11,251.68

Finding the Fourth Proportional to 18,805.02, 25,950.96 and 11,251.68

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Solution

The fourth proportional to 18,805.02, 25,950.96 and 11,251.68 is: 15,527.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,805.02 : 25,950.96 = 11,251.68 : x
  2. Step 2: Convert to fraction form
    18,805.02/25,950.96 = 11,251.68/x
  3. Step 3: Cross multiply
    18,805.02x = 25,950.96 × 11,251.68
  4. Step 4: Simplify right side
    18,805.02x = 291,991,897.61
  5. Step 5: Solve for x
    x = 291,991,897.61/18,805.02
  6. Step 6: Final answer
    x = 15,527.34

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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.