Home / 21,060.32-29,063.13-11,628.88

Finding the Fourth Proportional to 21,060.32, 29,063.13 and 11,628.88

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Solution

The fourth proportional to 21,060.32, 29,063.13 and 11,628.88 is: 16,047.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,060.32 : 29,063.13 = 11,628.88 : x
  2. Step 2: Convert to fraction form
    21,060.32/29,063.13 = 11,628.88/x
  3. Step 3: Cross multiply
    21,060.32x = 29,063.13 × 11,628.88
  4. Step 4: Simplify right side
    21,060.32x = 337,971,578.54
  5. Step 5: Solve for x
    x = 337,971,578.54/21,060.32
  6. Step 6: Final answer
    x = 16,047.79

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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.