Home / 14,205.75-19,604.04-8,154.39

Finding the Fourth Proportional to 14,205.75, 19,604.04 and 8,154.39

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Solution

The fourth proportional to 14,205.75, 19,604.04 and 8,154.39 is: 11,253.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.75 : 19,604.04 = 8,154.39 : x
  2. Step 2: Convert to fraction form
    14,205.75/19,604.04 = 8,154.39/x
  3. Step 3: Cross multiply
    14,205.75x = 19,604.04 × 8,154.39
  4. Step 4: Simplify right side
    14,205.75x = 159,858,987.74
  5. Step 5: Solve for x
    x = 159,858,987.74/14,205.75
  6. Step 6: Final answer
    x = 11,253.12

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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.