Home / 12,854.97-19,267.88-5,454.81

Finding the Fourth Proportional to 12,854.97, 19,267.88 and 5,454.81

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Solution

The fourth proportional to 12,854.97, 19,267.88 and 5,454.81 is: 8,176.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.97 : 19,267.88 = 5,454.81 : x
  2. Step 2: Convert to fraction form
    12,854.97/19,267.88 = 5,454.81/x
  3. Step 3: Cross multiply
    12,854.97x = 19,267.88 × 5,454.81
  4. Step 4: Simplify right side
    12,854.97x = 105,102,597.23
  5. Step 5: Solve for x
    x = 105,102,597.23/12,854.97
  6. Step 6: Final answer
    x = 8,176.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.