Home / 12,764.15-19,146.40-4,867.09

Finding the Fourth Proportional to 12,764.15, 19,146.40 and 4,867.09

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Solution

The fourth proportional to 12,764.15, 19,146.40 and 4,867.09 is: 7,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.15 : 19,146.40 = 4,867.09 : x
  2. Step 2: Convert to fraction form
    12,764.15/19,146.40 = 4,867.09/x
  3. Step 3: Cross multiply
    12,764.15x = 19,146.40 × 4,867.09
  4. Step 4: Simplify right side
    12,764.15x = 93,187,251.98
  5. Step 5: Solve for x
    x = 93,187,251.98/12,764.15
  6. Step 6: Final answer
    x = 7,300.70

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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.