Home / 12,914.10-19,352.67-7,355.97

Finding the Fourth Proportional to 12,914.10, 19,352.67 and 7,355.97

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Solution

The fourth proportional to 12,914.10, 19,352.67 and 7,355.97 is: 11,023.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.10 : 19,352.67 = 7,355.97 : x
  2. Step 2: Convert to fraction form
    12,914.10/19,352.67 = 7,355.97/x
  3. Step 3: Cross multiply
    12,914.10x = 19,352.67 × 7,355.97
  4. Step 4: Simplify right side
    12,914.10x = 142,357,659.94
  5. Step 5: Solve for x
    x = 142,357,659.94/12,914.10
  6. Step 6: Final answer
    x = 11,023.43

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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.