Home / 15,943.05-21,999.87-9,227.34

Finding the Fourth Proportional to 15,943.05, 21,999.87 and 9,227.34

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Solution

The fourth proportional to 15,943.05, 21,999.87 and 9,227.34 is: 12,732.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.05 : 21,999.87 = 9,227.34 : x
  2. Step 2: Convert to fraction form
    15,943.05/21,999.87 = 9,227.34/x
  3. Step 3: Cross multiply
    15,943.05x = 21,999.87 × 9,227.34
  4. Step 4: Simplify right side
    15,943.05x = 203,000,280.45
  5. Step 5: Solve for x
    x = 203,000,280.45/15,943.05
  6. Step 6: Final answer
    x = 12,732.84

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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.