Home / 12,764.18-19,143.34-4,867.59

Finding the Fourth Proportional to 12,764.18, 19,143.34 and 4,867.59

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Solution

The fourth proportional to 12,764.18, 19,143.34 and 4,867.59 is: 7,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,764.18 : 19,143.34 = 4,867.59 : x
  2. Step 2: Convert to fraction form
    12,764.18/19,143.34 = 4,867.59/x
  3. Step 3: Cross multiply
    12,764.18x = 19,143.34 × 4,867.59
  4. Step 4: Simplify right side
    12,764.18x = 93,181,989.97
  5. Step 5: Solve for x
    x = 93,181,989.97/12,764.18
  6. Step 6: Final answer
    x = 7,300.27

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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.