Home / 19,977.60-29,966.42-6,830.08

Finding the Fourth Proportional to 19,977.60, 29,966.42 and 6,830.08

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Solution

The fourth proportional to 19,977.60, 29,966.42 and 6,830.08 is: 10,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.60 : 29,966.42 = 6,830.08 : x
  2. Step 2: Convert to fraction form
    19,977.60/29,966.42 = 6,830.08/x
  3. Step 3: Cross multiply
    19,977.60x = 29,966.42 × 6,830.08
  4. Step 4: Simplify right side
    19,977.60x = 204,673,045.91
  5. Step 5: Solve for x
    x = 204,673,045.91/19,977.60
  6. Step 6: Final answer
    x = 10,245.13

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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.