Home / 12,204.07-18,306.10-10,555.72

Finding the Fourth Proportional to 12,204.07, 18,306.10 and 10,555.72

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Solution

The fourth proportional to 12,204.07, 18,306.10 and 10,555.72 is: 15,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.07 : 18,306.10 = 10,555.72 : x
  2. Step 2: Convert to fraction form
    12,204.07/18,306.10 = 10,555.72/x
  3. Step 3: Cross multiply
    12,204.07x = 18,306.10 × 10,555.72
  4. Step 4: Simplify right side
    12,204.07x = 193,234,065.89
  5. Step 5: Solve for x
    x = 193,234,065.89/12,204.07
  6. Step 6: Final answer
    x = 15,833.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.