Home / 15,940.37-22,000.38-9,224.84

Finding the Fourth Proportional to 15,940.37, 22,000.38 and 9,224.84

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Solution

The fourth proportional to 15,940.37, 22,000.38 and 9,224.84 is: 12,731.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,940.37 : 22,000.38 = 9,224.84 : x
  2. Step 2: Convert to fraction form
    15,940.37/22,000.38 = 9,224.84/x
  3. Step 3: Cross multiply
    15,940.37x = 22,000.38 × 9,224.84
  4. Step 4: Simplify right side
    15,940.37x = 202,949,985.44
  5. Step 5: Solve for x
    x = 202,949,985.44/15,940.37
  6. Step 6: Final answer
    x = 12,731.82

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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.