Home / 12,666.62-19,001.15-3,306.80

Finding the Fourth Proportional to 12,666.62, 19,001.15 and 3,306.80

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Solution

The fourth proportional to 12,666.62, 19,001.15 and 3,306.80 is: 4,960.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.62 : 19,001.15 = 3,306.80 : x
  2. Step 2: Convert to fraction form
    12,666.62/19,001.15 = 3,306.80/x
  3. Step 3: Cross multiply
    12,666.62x = 19,001.15 × 3,306.80
  4. Step 4: Simplify right side
    12,666.62x = 62,832,986.29
  5. Step 5: Solve for x
    x = 62,832,986.29/12,666.62
  6. Step 6: Final answer
    x = 4,960.52

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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.