Home / 21,937.36-32,899.48-6,138.60

Finding the Fourth Proportional to 21,937.36, 32,899.48 and 6,138.60

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Solution

The fourth proportional to 21,937.36, 32,899.48 and 6,138.60 is: 9,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,937.36 : 32,899.48 = 6,138.60 : x
  2. Step 2: Convert to fraction form
    21,937.36/32,899.48 = 6,138.60/x
  3. Step 3: Cross multiply
    21,937.36x = 32,899.48 × 6,138.60
  4. Step 4: Simplify right side
    21,937.36x = 201,956,747.93
  5. Step 5: Solve for x
    x = 201,956,747.93/21,937.36
  6. Step 6: Final answer
    x = 9,206.06

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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.