Home / 12,460.88-17,203.72-10,197.20

Finding the Fourth Proportional to 12,460.88, 17,203.72 and 10,197.20

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Solution

The fourth proportional to 12,460.88, 17,203.72 and 10,197.20 is: 14,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.88 : 17,203.72 = 10,197.20 : x
  2. Step 2: Convert to fraction form
    12,460.88/17,203.72 = 10,197.20/x
  3. Step 3: Cross multiply
    12,460.88x = 17,203.72 × 10,197.20
  4. Step 4: Simplify right side
    12,460.88x = 175,429,773.58
  5. Step 5: Solve for x
    x = 175,429,773.58/12,460.88
  6. Step 6: Final answer
    x = 14,078.44

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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.