Home / 19,834.32-29,754.24-6,690.45

Finding the Fourth Proportional to 19,834.32, 29,754.24 and 6,690.45

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Solution

The fourth proportional to 19,834.32, 29,754.24 and 6,690.45 is: 10,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,834.32 : 29,754.24 = 6,690.45 : x
  2. Step 2: Convert to fraction form
    19,834.32/29,754.24 = 6,690.45/x
  3. Step 3: Cross multiply
    19,834.32x = 29,754.24 × 6,690.45
  4. Step 4: Simplify right side
    19,834.32x = 199,069,255.01
  5. Step 5: Solve for x
    x = 199,069,255.01/19,834.32
  6. Step 6: Final answer
    x = 10,036.61

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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.