Home / 15,826.21-21,844.49-9,854.35

Finding the Fourth Proportional to 15,826.21, 21,844.49 and 9,854.35

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Solution

The fourth proportional to 15,826.21, 21,844.49 and 9,854.35 is: 13,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.21 : 21,844.49 = 9,854.35 : x
  2. Step 2: Convert to fraction form
    15,826.21/21,844.49 = 9,854.35/x
  3. Step 3: Cross multiply
    15,826.21x = 21,844.49 × 9,854.35
  4. Step 4: Simplify right side
    15,826.21x = 215,263,146.15
  5. Step 5: Solve for x
    x = 215,263,146.15/15,826.21
  6. Step 6: Final answer
    x = 13,601.69

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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.