Home / 12,604.32-18,838.55-11,010.64

Finding the Fourth Proportional to 12,604.32, 18,838.55 and 11,010.64

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Solution

The fourth proportional to 12,604.32, 18,838.55 and 11,010.64 is: 16,456.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,604.32 : 18,838.55 = 11,010.64 : x
  2. Step 2: Convert to fraction form
    12,604.32/18,838.55 = 11,010.64/x
  3. Step 3: Cross multiply
    12,604.32x = 18,838.55 × 11,010.64
  4. Step 4: Simplify right side
    12,604.32x = 207,424,437.12
  5. Step 5: Solve for x
    x = 207,424,437.12/12,604.32
  6. Step 6: Final answer
    x = 16,456.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.