Home / 12,645.75-17,448.54-7,267.15

Finding the Fourth Proportional to 12,645.75, 17,448.54 and 7,267.15

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Solution

The fourth proportional to 12,645.75, 17,448.54 and 7,267.15 is: 10,027.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,645.75 : 17,448.54 = 7,267.15 : x
  2. Step 2: Convert to fraction form
    12,645.75/17,448.54 = 7,267.15/x
  3. Step 3: Cross multiply
    12,645.75x = 17,448.54 × 7,267.15
  4. Step 4: Simplify right side
    12,645.75x = 126,801,157.46
  5. Step 5: Solve for x
    x = 126,801,157.46/12,645.75
  6. Step 6: Final answer
    x = 10,027.18

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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.