Home / 19,947.05-29,929.39-10,584.79

Finding the Fourth Proportional to 19,947.05, 29,929.39 and 10,584.79

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Solution

The fourth proportional to 19,947.05, 29,929.39 and 10,584.79 is: 15,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.05 : 29,929.39 = 10,584.79 : x
  2. Step 2: Convert to fraction form
    19,947.05/29,929.39 = 10,584.79/x
  3. Step 3: Cross multiply
    19,947.05x = 29,929.39 × 10,584.79
  4. Step 4: Simplify right side
    19,947.05x = 316,796,158.33
  5. Step 5: Solve for x
    x = 316,796,158.33/19,947.05
  6. Step 6: Final answer
    x = 15,881.86

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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.