Home / 19,169.44-28,754.28-6,689.42

Finding the Fourth Proportional to 19,169.44, 28,754.28 and 6,689.42

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Solution

The fourth proportional to 19,169.44, 28,754.28 and 6,689.42 is: 10,034.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.44 : 28,754.28 = 6,689.42 : x
  2. Step 2: Convert to fraction form
    19,169.44/28,754.28 = 6,689.42/x
  3. Step 3: Cross multiply
    19,169.44x = 28,754.28 × 6,689.42
  4. Step 4: Simplify right side
    19,169.44x = 192,349,455.72
  5. Step 5: Solve for x
    x = 192,349,455.72/19,169.44
  6. Step 6: Final answer
    x = 10,034.17

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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.