Home / 19,767.42-29,648.30-6,619.91

Finding the Fourth Proportional to 19,767.42, 29,648.30 and 6,619.91

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Solution

The fourth proportional to 19,767.42, 29,648.30 and 6,619.91 is: 9,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.42 : 29,648.30 = 6,619.91 : x
  2. Step 2: Convert to fraction form
    19,767.42/29,648.30 = 6,619.91/x
  3. Step 3: Cross multiply
    19,767.42x = 29,648.30 × 6,619.91
  4. Step 4: Simplify right side
    19,767.42x = 196,268,896.31
  5. Step 5: Solve for x
    x = 196,268,896.31/19,767.42
  6. Step 6: Final answer
    x = 9,928.91

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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.