Home / 19,439.43-29,159.97-6,790.47

Finding the Fourth Proportional to 19,439.43, 29,159.97 and 6,790.47

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Solution

The fourth proportional to 19,439.43, 29,159.97 and 6,790.47 is: 10,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.43 : 29,159.97 = 6,790.47 : x
  2. Step 2: Convert to fraction form
    19,439.43/29,159.97 = 6,790.47/x
  3. Step 3: Cross multiply
    19,439.43x = 29,159.97 × 6,790.47
  4. Step 4: Simplify right side
    19,439.43x = 198,009,901.49
  5. Step 5: Solve for x
    x = 198,009,901.49/19,439.43
  6. Step 6: Final answer
    x = 10,185.99

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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.