Home / 12,830.24-17,679.48-9,467.76

Finding the Fourth Proportional to 12,830.24, 17,679.48 and 9,467.76

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Solution

The fourth proportional to 12,830.24, 17,679.48 and 9,467.76 is: 13,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830.24 : 17,679.48 = 9,467.76 : x
  2. Step 2: Convert to fraction form
    12,830.24/17,679.48 = 9,467.76/x
  3. Step 3: Cross multiply
    12,830.24x = 17,679.48 × 9,467.76
  4. Step 4: Simplify right side
    12,830.24x = 167,385,073.56
  5. Step 5: Solve for x
    x = 167,385,073.56/12,830.24
  6. Step 6: Final answer
    x = 13,046.14

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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.