Home / 21,636.26-32,458.78-9,156.32

Finding the Fourth Proportional to 21,636.26, 32,458.78 and 9,156.32

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Solution

The fourth proportional to 21,636.26, 32,458.78 and 9,156.32 is: 13,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,636.26 : 32,458.78 = 9,156.32 : x
  2. Step 2: Convert to fraction form
    21,636.26/32,458.78 = 9,156.32/x
  3. Step 3: Cross multiply
    21,636.26x = 32,458.78 × 9,156.32
  4. Step 4: Simplify right side
    21,636.26x = 297,202,976.49
  5. Step 5: Solve for x
    x = 297,202,976.49/21,636.26
  6. Step 6: Final answer
    x = 13,736.34

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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.