Home / 19,439.59-29,159.19-8,906.62

Finding the Fourth Proportional to 19,439.59, 29,159.19 and 8,906.62

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Solution

The fourth proportional to 19,439.59, 29,159.19 and 8,906.62 is: 13,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.59 : 29,159.19 = 8,906.62 : x
  2. Step 2: Convert to fraction form
    19,439.59/29,159.19 = 8,906.62/x
  3. Step 3: Cross multiply
    19,439.59x = 29,159.19 × 8,906.62
  4. Step 4: Simplify right side
    19,439.59x = 259,709,824.84
  5. Step 5: Solve for x
    x = 259,709,824.84/19,439.59
  6. Step 6: Final answer
    x = 13,359.84

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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.