Home / 19,480.10-26,882.64-11,418.50

Finding the Fourth Proportional to 19,480.10, 26,882.64 and 11,418.50

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Solution

The fourth proportional to 19,480.10, 26,882.64 and 11,418.50 is: 15,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.10 : 26,882.64 = 11,418.50 : x
  2. Step 2: Convert to fraction form
    19,480.10/26,882.64 = 11,418.50/x
  3. Step 3: Cross multiply
    19,480.10x = 26,882.64 × 11,418.50
  4. Step 4: Simplify right side
    19,480.10x = 306,959,492.05
  5. Step 5: Solve for x
    x = 306,959,492.05/19,480.10
  6. Step 6: Final answer
    x = 15,757.60

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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.