Home / 13,219.03-18,242.51-7,250.34

Finding the Fourth Proportional to 13,219.03, 18,242.51 and 7,250.34

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Solution

The fourth proportional to 13,219.03, 18,242.51 and 7,250.34 is: 10,005.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,219.03 : 18,242.51 = 7,250.34 : x
  2. Step 2: Convert to fraction form
    13,219.03/18,242.51 = 7,250.34/x
  3. Step 3: Cross multiply
    13,219.03x = 18,242.51 × 7,250.34
  4. Step 4: Simplify right side
    13,219.03x = 132,264,399.95
  5. Step 5: Solve for x
    x = 132,264,399.95/13,219.03
  6. Step 6: Final answer
    x = 10,005.61

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Similar ratio
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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.