Home / 21,275.92-29,360.10-11,844.01

Finding the Fourth Proportional to 21,275.92, 29,360.10 and 11,844.01

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Solution

The fourth proportional to 21,275.92, 29,360.10 and 11,844.01 is: 16,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275.92 : 29,360.10 = 11,844.01 : x
  2. Step 2: Convert to fraction form
    21,275.92/29,360.10 = 11,844.01/x
  3. Step 3: Cross multiply
    21,275.92x = 29,360.10 × 11,844.01
  4. Step 4: Simplify right side
    21,275.92x = 347,741,318.00
  5. Step 5: Solve for x
    x = 347,741,318.00/21,275.92
  6. Step 6: Final answer
    x = 16,344.36

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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.