Home / 15,896.16-21,935.28-8,822.76

Finding the Fourth Proportional to 15,896.16, 21,935.28 and 8,822.76

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Solution

The fourth proportional to 15,896.16, 21,935.28 and 8,822.76 is: 12,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,896.16 : 21,935.28 = 8,822.76 : x
  2. Step 2: Convert to fraction form
    15,896.16/21,935.28 = 8,822.76/x
  3. Step 3: Cross multiply
    15,896.16x = 21,935.28 × 8,822.76
  4. Step 4: Simplify right side
    15,896.16x = 193,529,710.97
  5. Step 5: Solve for x
    x = 193,529,710.97/15,896.16
  6. Step 6: Final answer
    x = 12,174.62

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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.