Home / 19,870.32-29,805.48-6,731.94

Finding the Fourth Proportional to 19,870.32, 29,805.48 and 6,731.94

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Solution

The fourth proportional to 19,870.32, 29,805.48 and 6,731.94 is: 10,097.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870.32 : 29,805.48 = 6,731.94 : x
  2. Step 2: Convert to fraction form
    19,870.32/29,805.48 = 6,731.94/x
  3. Step 3: Cross multiply
    19,870.32x = 29,805.48 × 6,731.94
  4. Step 4: Simplify right side
    19,870.32x = 200,648,703.03
  5. Step 5: Solve for x
    x = 200,648,703.03/19,870.32
  6. Step 6: Final answer
    x = 10,097.91

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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.