Home / 13,227.20-18,241.44-10,574.72

Finding the Fourth Proportional to 13,227.20, 18,241.44 and 10,574.72

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Solution

The fourth proportional to 13,227.20, 18,241.44 and 10,574.72 is: 14,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.20 : 18,241.44 = 10,574.72 : x
  2. Step 2: Convert to fraction form
    13,227.20/18,241.44 = 10,574.72/x
  3. Step 3: Cross multiply
    13,227.20x = 18,241.44 × 10,574.72
  4. Step 4: Simplify right side
    13,227.20x = 192,898,120.40
  5. Step 5: Solve for x
    x = 192,898,120.40/13,227.20
  6. Step 6: Final answer
    x = 14,583.44

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Half scale
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Double scale
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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.