Home / 13,223.20-19,818.80-9,063.20

Finding the Fourth Proportional to 13,223.20, 19,818.80 and 9,063.20

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Solution

The fourth proportional to 13,223.20, 19,818.80 and 9,063.20 is: 13,583.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,223.20 : 19,818.80 = 9,063.20 : x
  2. Step 2: Convert to fraction form
    13,223.20/19,818.80 = 9,063.20/x
  3. Step 3: Cross multiply
    13,223.20x = 19,818.80 × 9,063.20
  4. Step 4: Simplify right side
    13,223.20x = 179,621,748.16
  5. Step 5: Solve for x
    x = 179,621,748.16/13,223.20
  6. Step 6: Final answer
    x = 13,583.83

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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.