Home / 11,279.53-16,920.30-2,959.52

Finding the Fourth Proportional to 11,279.53, 16,920.30 and 2,959.52

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Solution

The fourth proportional to 11,279.53, 16,920.30 and 2,959.52 is: 4,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.53 : 16,920.30 = 2,959.52 : x
  2. Step 2: Convert to fraction form
    11,279.53/16,920.30 = 2,959.52/x
  3. Step 3: Cross multiply
    11,279.53x = 16,920.30 × 2,959.52
  4. Step 4: Simplify right side
    11,279.53x = 50,075,966.26
  5. Step 5: Solve for x
    x = 50,075,966.26/11,279.53
  6. Step 6: Final answer
    x = 4,439.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.