Home / 13,202.40-18,219.29-7,234.26

Finding the Fourth Proportional to 13,202.40, 18,219.29 and 7,234.26

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Solution

The fourth proportional to 13,202.40, 18,219.29 and 7,234.26 is: 9,983.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.40 : 18,219.29 = 7,234.26 : x
  2. Step 2: Convert to fraction form
    13,202.40/18,219.29 = 7,234.26/x
  3. Step 3: Cross multiply
    13,202.40x = 18,219.29 × 7,234.26
  4. Step 4: Simplify right side
    13,202.40x = 131,803,044.70
  5. Step 5: Solve for x
    x = 131,803,044.70/13,202.40
  6. Step 6: Final answer
    x = 9,983.26

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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.