Home / 15,826.42-21,833.85-9,110.44

Finding the Fourth Proportional to 15,826.42, 21,833.85 and 9,110.44

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Solution

The fourth proportional to 15,826.42, 21,833.85 and 9,110.44 is: 12,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,826.42 : 21,833.85 = 9,110.44 : x
  2. Step 2: Convert to fraction form
    15,826.42/21,833.85 = 9,110.44/x
  3. Step 3: Cross multiply
    15,826.42x = 21,833.85 × 9,110.44
  4. Step 4: Simplify right side
    15,826.42x = 198,915,980.39
  5. Step 5: Solve for x
    x = 198,915,980.39/15,826.42
  6. Step 6: Final answer
    x = 12,568.60

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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.