Home / 11,283.52-16,921.68-3,886.20

Finding the Fourth Proportional to 11,283.52, 16,921.68 and 3,886.20

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Solution

The fourth proportional to 11,283.52, 16,921.68 and 3,886.20 is: 5,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,283.52 : 16,921.68 = 3,886.20 : x
  2. Step 2: Convert to fraction form
    11,283.52/16,921.68 = 3,886.20/x
  3. Step 3: Cross multiply
    11,283.52x = 16,921.68 × 3,886.20
  4. Step 4: Simplify right side
    11,283.52x = 65,761,032.82
  5. Step 5: Solve for x
    x = 65,761,032.82/11,283.52
  6. Step 6: Final answer
    x = 5,828.06

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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.