Home / 13,017.89-17,964.77-7,049.61

Finding the Fourth Proportional to 13,017.89, 17,964.77 and 7,049.61

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Solution

The fourth proportional to 13,017.89, 17,964.77 and 7,049.61 is: 9,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017.89 : 17,964.77 = 7,049.61 : x
  2. Step 2: Convert to fraction form
    13,017.89/17,964.77 = 7,049.61/x
  3. Step 3: Cross multiply
    13,017.89x = 17,964.77 × 7,049.61
  4. Step 4: Simplify right side
    13,017.89x = 126,644,622.24
  5. Step 5: Solve for x
    x = 126,644,622.24/13,017.89
  6. Step 6: Final answer
    x = 9,728.51

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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.