Home / 15,826.35-21,844.68-9,854.49

Finding the Fourth Proportional to 15,826.35, 21,844.68 and 9,854.49

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Solution

The fourth proportional to 15,826.35, 21,844.68 and 9,854.49 is: 13,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.35 : 21,844.68 = 9,854.49 : x
  2. Step 2: Convert to fraction form
    15,826.35/21,844.68 = 9,854.49/x
  3. Step 3: Cross multiply
    15,826.35x = 21,844.68 × 9,854.49
  4. Step 4: Simplify right side
    15,826.35x = 215,268,130.42
  5. Step 5: Solve for x
    x = 215,268,130.42/15,826.35
  6. Step 6: Final answer
    x = 13,601.88

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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.