Home / 19,171.09-28,756.73-6,691.06

Finding the Fourth Proportional to 19,171.09, 28,756.73 and 6,691.06

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Solution

The fourth proportional to 19,171.09, 28,756.73 and 6,691.06 is: 10,036.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.09 : 28,756.73 = 6,691.06 : x
  2. Step 2: Convert to fraction form
    19,171.09/28,756.73 = 6,691.06/x
  3. Step 3: Cross multiply
    19,171.09x = 28,756.73 × 6,691.06
  4. Step 4: Simplify right side
    19,171.09x = 192,413,005.83
  5. Step 5: Solve for x
    x = 192,413,005.83/19,171.09
  6. Step 6: Final answer
    x = 10,036.62

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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.