Home / 17,868.17-26,802.66-6,780.08

Finding the Fourth Proportional to 17,868.17, 26,802.66 and 6,780.08

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Solution

The fourth proportional to 17,868.17, 26,802.66 and 6,780.08 is: 10,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.17 : 26,802.66 = 6,780.08 : x
  2. Step 2: Convert to fraction form
    17,868.17/26,802.66 = 6,780.08/x
  3. Step 3: Cross multiply
    17,868.17x = 26,802.66 × 6,780.08
  4. Step 4: Simplify right side
    17,868.17x = 181,724,179.01
  5. Step 5: Solve for x
    x = 181,724,179.01/17,868.17
  6. Step 6: Final answer
    x = 10,170.27

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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.