Home / 13,247.40-18,267.30-9,469.80

Finding the Fourth Proportional to 13,247.40, 18,267.30 and 9,469.80

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Solution

The fourth proportional to 13,247.40, 18,267.30 and 9,469.80 is: 13,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247.40 : 18,267.30 = 9,469.80 : x
  2. Step 2: Convert to fraction form
    13,247.40/18,267.30 = 9,469.80/x
  3. Step 3: Cross multiply
    13,247.40x = 18,267.30 × 9,469.80
  4. Step 4: Simplify right side
    13,247.40x = 172,987,677.54
  5. Step 5: Solve for x
    x = 172,987,677.54/13,247.40
  6. Step 6: Final answer
    x = 13,058.24

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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.