Home / 18,958.80-28,433.28-9,096.24

Finding the Fourth Proportional to 18,958.80, 28,433.28 and 9,096.24

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Solution

The fourth proportional to 18,958.80, 28,433.28 and 9,096.24 is: 13,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.80 : 28,433.28 = 9,096.24 : x
  2. Step 2: Convert to fraction form
    18,958.80/28,433.28 = 9,096.24/x
  3. Step 3: Cross multiply
    18,958.80x = 28,433.28 × 9,096.24
  4. Step 4: Simplify right side
    18,958.80x = 258,635,938.87
  5. Step 5: Solve for x
    x = 258,635,938.87/18,958.80
  6. Step 6: Final answer
    x = 13,642.00

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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.