Home / 15,943.37-21,999.36-9,227.69

Finding the Fourth Proportional to 15,943.37, 21,999.36 and 9,227.69

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Solution

The fourth proportional to 15,943.37, 21,999.36 and 9,227.69 is: 12,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.37 : 21,999.36 = 9,227.69 : x
  2. Step 2: Convert to fraction form
    15,943.37/21,999.36 = 9,227.69/x
  3. Step 3: Cross multiply
    15,943.37x = 21,999.36 × 9,227.69
  4. Step 4: Simplify right side
    15,943.37x = 203,003,219.51
  5. Step 5: Solve for x
    x = 203,003,219.51/15,943.37
  6. Step 6: Final answer
    x = 12,732.77

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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.