Home / 21,763.36-32,647.38-9,284.70

Finding the Fourth Proportional to 21,763.36, 32,647.38 and 9,284.70

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Solution

The fourth proportional to 21,763.36, 32,647.38 and 9,284.70 is: 13,928.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.36 : 32,647.38 = 9,284.70 : x
  2. Step 2: Convert to fraction form
    21,763.36/32,647.38 = 9,284.70/x
  3. Step 3: Cross multiply
    21,763.36x = 32,647.38 × 9,284.70
  4. Step 4: Simplify right side
    21,763.36x = 303,121,082.66
  5. Step 5: Solve for x
    x = 303,121,082.66/21,763.36
  6. Step 6: Final answer
    x = 13,928.05

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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.