Home / 17,712.72-26,569.14-6,619.26

Finding the Fourth Proportional to 17,712.72, 26,569.14 and 6,619.26

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Solution

The fourth proportional to 17,712.72, 26,569.14 and 6,619.26 is: 9,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,712.72 : 26,569.14 = 6,619.26 : x
  2. Step 2: Convert to fraction form
    17,712.72/26,569.14 = 6,619.26/x
  3. Step 3: Cross multiply
    17,712.72x = 26,569.14 × 6,619.26
  4. Step 4: Simplify right side
    17,712.72x = 175,868,045.64
  5. Step 5: Solve for x
    x = 175,868,045.64/17,712.72
  6. Step 6: Final answer
    x = 9,928.91

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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.