Home / 20,631.56-30,939.42-9,544.04

Finding the Fourth Proportional to 20,631.56, 30,939.42 and 9,544.04

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Solution

The fourth proportional to 20,631.56, 30,939.42 and 9,544.04 is: 14,312.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,631.56 : 30,939.42 = 9,544.04 : x
  2. Step 2: Convert to fraction form
    20,631.56/30,939.42 = 9,544.04/x
  3. Step 3: Cross multiply
    20,631.56x = 30,939.42 × 9,544.04
  4. Step 4: Simplify right side
    20,631.56x = 295,287,062.06
  5. Step 5: Solve for x
    x = 295,287,062.06/20,631.56
  6. Step 6: Final answer
    x = 14,312.40

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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.