Home / 19,480.50-26,872.02-11,521.44

Finding the Fourth Proportional to 19,480.50, 26,872.02 and 11,521.44

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Solution

The fourth proportional to 19,480.50, 26,872.02 and 11,521.44 is: 15,893.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,480.50 : 26,872.02 = 11,521.44 : x
  2. Step 2: Convert to fraction form
    19,480.50/26,872.02 = 11,521.44/x
  3. Step 3: Cross multiply
    19,480.50x = 26,872.02 × 11,521.44
  4. Step 4: Simplify right side
    19,480.50x = 309,604,366.11
  5. Step 5: Solve for x
    x = 309,604,366.11/19,480.50
  6. Step 6: Final answer
    x = 15,893.04

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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.