Home / 19,670.32-29,508.39-6,338.85

Finding the Fourth Proportional to 19,670.32, 29,508.39 and 6,338.85

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Solution

The fourth proportional to 19,670.32, 29,508.39 and 6,338.85 is: 9,509.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,670.32 : 29,508.39 = 6,338.85 : x
  2. Step 2: Convert to fraction form
    19,670.32/29,508.39 = 6,338.85/x
  3. Step 3: Cross multiply
    19,670.32x = 29,508.39 × 6,338.85
  4. Step 4: Simplify right side
    19,670.32x = 187,049,110.41
  5. Step 5: Solve for x
    x = 187,049,110.41/19,670.32
  6. Step 6: Final answer
    x = 9,509.21

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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.