Home / 12,492.08-17,261.92-11,884.80

Finding the Fourth Proportional to 12,492.08, 17,261.92 and 11,884.80

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Solution

The fourth proportional to 12,492.08, 17,261.92 and 11,884.80 is: 16,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,492.08 : 17,261.92 = 11,884.80 : x
  2. Step 2: Convert to fraction form
    12,492.08/17,261.92 = 11,884.80/x
  3. Step 3: Cross multiply
    12,492.08x = 17,261.92 × 11,884.80
  4. Step 4: Simplify right side
    12,492.08x = 205,154,466.82
  5. Step 5: Solve for x
    x = 205,154,466.82/12,492.08
  6. Step 6: Final answer
    x = 16,422.76

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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.