Home / 15,166.62-20,950.38-13,751.91

Finding the Fourth Proportional to 15,166.62, 20,950.38 and 13,751.91

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Solution

The fourth proportional to 15,166.62, 20,950.38 and 13,751.91 is: 18,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.62 : 20,950.38 = 13,751.91 : x
  2. Step 2: Convert to fraction form
    15,166.62/20,950.38 = 13,751.91/x
  3. Step 3: Cross multiply
    15,166.62x = 20,950.38 × 13,751.91
  4. Step 4: Simplify right side
    15,166.62x = 288,107,740.23
  5. Step 5: Solve for x
    x = 288,107,740.23/15,166.62
  6. Step 6: Final answer
    x = 18,996.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.