Home / 13,013.46-17,958.57-7,045.18

Finding the Fourth Proportional to 13,013.46, 17,958.57 and 7,045.18

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Solution

The fourth proportional to 13,013.46, 17,958.57 and 7,045.18 is: 9,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,013.46 : 17,958.57 = 7,045.18 : x
  2. Step 2: Convert to fraction form
    13,013.46/17,958.57 = 7,045.18/x
  3. Step 3: Cross multiply
    13,013.46x = 17,958.57 × 7,045.18
  4. Step 4: Simplify right side
    13,013.46x = 126,521,358.19
  5. Step 5: Solve for x
    x = 126,521,358.19/13,013.46
  6. Step 6: Final answer
    x = 9,722.35

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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.