Home / 16,391.71-22,602.61-11,077.30

Finding the Fourth Proportional to 16,391.71, 22,602.61 and 11,077.30

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Solution

The fourth proportional to 16,391.71, 22,602.61 and 11,077.30 is: 15,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391.71 : 22,602.61 = 11,077.30 : x
  2. Step 2: Convert to fraction form
    16,391.71/22,602.61 = 11,077.30/x
  3. Step 3: Cross multiply
    16,391.71x = 22,602.61 × 11,077.30
  4. Step 4: Simplify right side
    16,391.71x = 250,375,751.05
  5. Step 5: Solve for x
    x = 250,375,751.05/16,391.71
  6. Step 6: Final answer
    x = 15,274.54

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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.