Home / 15,940.87-22,001.07-9,225.34

Finding the Fourth Proportional to 15,940.87, 22,001.07 and 9,225.34

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Solution

The fourth proportional to 15,940.87, 22,001.07 and 9,225.34 is: 12,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.87 : 22,001.07 = 9,225.34 : x
  2. Step 2: Convert to fraction form
    15,940.87/22,001.07 = 9,225.34/x
  3. Step 3: Cross multiply
    15,940.87x = 22,001.07 × 9,225.34
  4. Step 4: Simplify right side
    15,940.87x = 202,967,351.11
  5. Step 5: Solve for x
    x = 202,967,351.11/15,940.87
  6. Step 6: Final answer
    x = 12,732.51

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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.