Home / 20,004.56-30,013.32-9,617.12

Finding the Fourth Proportional to 20,004.56, 30,013.32 and 9,617.12

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Solution

The fourth proportional to 20,004.56, 30,013.32 and 9,617.12 is: 14,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,004.56 : 30,013.32 = 9,617.12 : x
  2. Step 2: Convert to fraction form
    20,004.56/30,013.32 = 9,617.12/x
  3. Step 3: Cross multiply
    20,004.56x = 30,013.32 × 9,617.12
  4. Step 4: Simplify right side
    20,004.56x = 288,641,700.04
  5. Step 5: Solve for x
    x = 288,641,700.04/20,004.56
  6. Step 6: Final answer
    x = 14,428.80

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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.