Home / 19,373.76-29,077.92-8,991.36

Finding the Fourth Proportional to 19,373.76, 29,077.92 and 8,991.36

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Solution

The fourth proportional to 19,373.76, 29,077.92 and 8,991.36 is: 13,495.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.76 : 29,077.92 = 8,991.36 : x
  2. Step 2: Convert to fraction form
    19,373.76/29,077.92 = 8,991.36/x
  3. Step 3: Cross multiply
    19,373.76x = 29,077.92 × 8,991.36
  4. Step 4: Simplify right side
    19,373.76x = 261,450,046.77
  5. Step 5: Solve for x
    x = 261,450,046.77/19,373.76
  6. Step 6: Final answer
    x = 13,495.06

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1.5x scale

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.