Home / 19,446.32-29,169.48-7,759.64

Finding the Fourth Proportional to 19,446.32, 29,169.48 and 7,759.64

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Solution

The fourth proportional to 19,446.32, 29,169.48 and 7,759.64 is: 11,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,446.32 : 29,169.48 = 7,759.64 : x
  2. Step 2: Convert to fraction form
    19,446.32/29,169.48 = 7,759.64/x
  3. Step 3: Cross multiply
    19,446.32x = 29,169.48 × 7,759.64
  4. Step 4: Simplify right side
    19,446.32x = 226,344,663.79
  5. Step 5: Solve for x
    x = 226,344,663.79/19,446.32
  6. Step 6: Final answer
    x = 11,639.46

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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.