Home / 21,375.84-29,498.06-11,944.40

Finding the Fourth Proportional to 21,375.84, 29,498.06 and 11,944.40

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Solution

The fourth proportional to 21,375.84, 29,498.06 and 11,944.40 is: 16,482.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.84 : 29,498.06 = 11,944.40 : x
  2. Step 2: Convert to fraction form
    21,375.84/29,498.06 = 11,944.40/x
  3. Step 3: Cross multiply
    21,375.84x = 29,498.06 × 11,944.40
  4. Step 4: Simplify right side
    21,375.84x = 352,336,627.86
  5. Step 5: Solve for x
    x = 352,336,627.86/21,375.84
  6. Step 6: Final answer
    x = 16,482.94

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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.