Home / 13,877.64-19,153.62-8,843.88

Finding the Fourth Proportional to 13,877.64, 19,153.62 and 8,843.88

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Solution

The fourth proportional to 13,877.64, 19,153.62 and 8,843.88 is: 12,206.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.64 : 19,153.62 = 8,843.88 : x
  2. Step 2: Convert to fraction form
    13,877.64/19,153.62 = 8,843.88/x
  3. Step 3: Cross multiply
    13,877.64x = 19,153.62 × 8,843.88
  4. Step 4: Simplify right side
    13,877.64x = 169,392,316.85
  5. Step 5: Solve for x
    x = 169,392,316.85/13,877.64
  6. Step 6: Final answer
    x = 12,206.13

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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.