Home / 15,941.32-21,998.32-9,226.60

Finding the Fourth Proportional to 15,941.32, 21,998.32 and 9,226.60

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Solution

The fourth proportional to 15,941.32, 21,998.32 and 9,226.60 is: 12,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,941.32 : 21,998.32 = 9,226.60 : x
  2. Step 2: Convert to fraction form
    15,941.32/21,998.32 = 9,226.60/x
  3. Step 3: Cross multiply
    15,941.32x = 21,998.32 × 9,226.60
  4. Step 4: Simplify right side
    15,941.32x = 202,969,699.31
  5. Step 5: Solve for x
    x = 202,969,699.31/15,941.32
  6. Step 6: Final answer
    x = 12,732.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.