Home / 21,663.52-29,896.10-12,232.29

Finding the Fourth Proportional to 21,663.52, 29,896.10 and 12,232.29

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Solution

The fourth proportional to 21,663.52, 29,896.10 and 12,232.29 is: 16,880.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.52 : 29,896.10 = 12,232.29 : x
  2. Step 2: Convert to fraction form
    21,663.52/29,896.10 = 12,232.29/x
  3. Step 3: Cross multiply
    21,663.52x = 29,896.10 × 12,232.29
  4. Step 4: Simplify right side
    21,663.52x = 365,697,765.07
  5. Step 5: Solve for x
    x = 365,697,765.07/21,663.52
  6. Step 6: Final answer
    x = 16,880.81

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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.