Home / 15,456.46-21,306.66-12,093.44

Finding the Fourth Proportional to 15,456.46, 21,306.66 and 12,093.44

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Solution

The fourth proportional to 15,456.46, 21,306.66 and 12,093.44 is: 16,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,456.46 : 21,306.66 = 12,093.44 : x
  2. Step 2: Convert to fraction form
    15,456.46/21,306.66 = 12,093.44/x
  3. Step 3: Cross multiply
    15,456.46x = 21,306.66 × 12,093.44
  4. Step 4: Simplify right side
    15,456.46x = 257,670,730.45
  5. Step 5: Solve for x
    x = 257,670,730.45/15,456.46
  6. Step 6: Final answer
    x = 16,670.75

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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.