Home / 21,322.92-29,425.54-11,763.40

Finding the Fourth Proportional to 21,322.92, 29,425.54 and 11,763.40

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Solution

The fourth proportional to 21,322.92, 29,425.54 and 11,763.40 is: 16,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322.92 : 29,425.54 = 11,763.40 : x
  2. Step 2: Convert to fraction form
    21,322.92/29,425.54 = 11,763.40/x
  3. Step 3: Cross multiply
    21,322.92x = 29,425.54 × 11,763.40
  4. Step 4: Simplify right side
    21,322.92x = 346,144,399.79
  5. Step 5: Solve for x
    x = 346,144,399.79/21,322.92
  6. Step 6: Final answer
    x = 16,233.44

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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.