Home / 21,763.70-32,636.84-9,289.29

Finding the Fourth Proportional to 21,763.70, 32,636.84 and 9,289.29

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Solution

The fourth proportional to 21,763.70, 32,636.84 and 9,289.29 is: 13,930.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,763.70 : 32,636.84 = 9,289.29 : x
  2. Step 2: Convert to fraction form
    21,763.70/32,636.84 = 9,289.29/x
  3. Step 3: Cross multiply
    21,763.70x = 32,636.84 × 9,289.29
  4. Step 4: Simplify right side
    21,763.70x = 303,173,071.44
  5. Step 5: Solve for x
    x = 303,173,071.44/21,763.70
  6. Step 6: Final answer
    x = 13,930.22

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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.