Home / 12,691.67-19,039.94-3,925.04

Finding the Fourth Proportional to 12,691.67, 19,039.94 and 3,925.04

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Solution

The fourth proportional to 12,691.67, 19,039.94 and 3,925.04 is: 5,888.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,691.67 : 19,039.94 = 3,925.04 : x
  2. Step 2: Convert to fraction form
    12,691.67/19,039.94 = 3,925.04/x
  3. Step 3: Cross multiply
    12,691.67x = 19,039.94 × 3,925.04
  4. Step 4: Simplify right side
    12,691.67x = 74,732,583.51
  5. Step 5: Solve for x
    x = 74,732,583.51/12,691.67
  6. Step 6: Final answer
    x = 5,888.32

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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.