Home / 15,192.56-20,950.44-9,223.28

Finding the Fourth Proportional to 15,192.56, 20,950.44 and 9,223.28

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Solution

The fourth proportional to 15,192.56, 20,950.44 and 9,223.28 is: 12,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.56 : 20,950.44 = 9,223.28 : x
  2. Step 2: Convert to fraction form
    15,192.56/20,950.44 = 9,223.28/x
  3. Step 3: Cross multiply
    15,192.56x = 20,950.44 × 9,223.28
  4. Step 4: Simplify right side
    15,192.56x = 193,231,774.24
  5. Step 5: Solve for x
    x = 193,231,774.24/15,192.56
  6. Step 6: Final answer
    x = 12,718.84

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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.