Home / 20,642.24-30,967.08-7,513.04

Finding the Fourth Proportional to 20,642.24, 30,967.08 and 7,513.04

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Solution

The fourth proportional to 20,642.24, 30,967.08 and 7,513.04 is: 11,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,642.24 : 30,967.08 = 7,513.04 : x
  2. Step 2: Convert to fraction form
    20,642.24/30,967.08 = 7,513.04/x
  3. Step 3: Cross multiply
    20,642.24x = 30,967.08 × 7,513.04
  4. Step 4: Simplify right side
    20,642.24x = 232,656,910.72
  5. Step 5: Solve for x
    x = 232,656,910.72/20,642.24
  6. Step 6: Final answer
    x = 11,270.91

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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.