Home / 21,444.69-32,166.79-8,791.62

Finding the Fourth Proportional to 21,444.69, 32,166.79 and 8,791.62

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Solution

The fourth proportional to 21,444.69, 32,166.79 and 8,791.62 is: 13,187.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.69 : 32,166.79 = 8,791.62 : x
  2. Step 2: Convert to fraction form
    21,444.69/32,166.79 = 8,791.62/x
  3. Step 3: Cross multiply
    21,444.69x = 32,166.79 × 8,791.62
  4. Step 4: Simplify right side
    21,444.69x = 282,798,205.29
  5. Step 5: Solve for x
    x = 282,798,205.29/21,444.69
  6. Step 6: Final answer
    x = 13,187.33

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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.