Home / 13,013.29-17,958.40-7,044.96

Finding the Fourth Proportional to 13,013.29, 17,958.40 and 7,044.96

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Solution

The fourth proportional to 13,013.29, 17,958.40 and 7,044.96 is: 9,722.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.29 : 17,958.40 = 7,044.96 : x
  2. Step 2: Convert to fraction form
    13,013.29/17,958.40 = 7,044.96/x
  3. Step 3: Cross multiply
    13,013.29x = 17,958.40 × 7,044.96
  4. Step 4: Simplify right side
    13,013.29x = 126,516,192.05
  5. Step 5: Solve for x
    x = 126,516,192.05/13,013.29
  6. Step 6: Final answer
    x = 9,722.08

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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.