Home / 19,711-29,566.38-5,671.36

Finding the Fourth Proportional to 19,711, 29,566.38 and 5,671.36

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Solution

The fourth proportional to 19,711, 29,566.38 and 5,671.36 is: 8,507.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,711 : 29,566.38 = 5,671.36 : x
  2. Step 2: Convert to fraction form
    19,711/29,566.38 = 5,671.36/x
  3. Step 3: Cross multiply
    19,711x = 29,566.38 × 5,671.36
  4. Step 4: Simplify right side
    19,711x = 167,681,584.88
  5. Step 5: Solve for x
    x = 167,681,584.88/19,711
  6. Step 6: Final answer
    x = 8,507.01

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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.