Home / 13,026.74-17,976.87-7,058.57

Finding the Fourth Proportional to 13,026.74, 17,976.87 and 7,058.57

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Solution

The fourth proportional to 13,026.74, 17,976.87 and 7,058.57 is: 9,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.74 : 17,976.87 = 7,058.57 : x
  2. Step 2: Convert to fraction form
    13,026.74/17,976.87 = 7,058.57/x
  3. Step 3: Cross multiply
    13,026.74x = 17,976.87 × 7,058.57
  4. Step 4: Simplify right side
    13,026.74x = 126,890,870.10
  5. Step 5: Solve for x
    x = 126,890,870.10/13,026.74
  6. Step 6: Final answer
    x = 9,740.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.