Home / 17,740.49-26,617.01-7,878.87

Finding the Fourth Proportional to 17,740.49, 26,617.01 and 7,878.87

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Solution

The fourth proportional to 17,740.49, 26,617.01 and 7,878.87 is: 11,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,740.49 : 26,617.01 = 7,878.87 : x
  2. Step 2: Convert to fraction form
    17,740.49/26,617.01 = 7,878.87/x
  3. Step 3: Cross multiply
    17,740.49x = 26,617.01 × 7,878.87
  4. Step 4: Simplify right side
    17,740.49x = 209,711,922.18
  5. Step 5: Solve for x
    x = 209,711,922.18/17,740.49
  6. Step 6: Final answer
    x = 11,821.09

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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.