Home / 13,945.96-19,245.66-7,658.92

Finding the Fourth Proportional to 13,945.96, 19,245.66 and 7,658.92

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Solution

The fourth proportional to 13,945.96, 19,245.66 and 7,658.92 is: 10,569.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,945.96 : 19,245.66 = 7,658.92 : x
  2. Step 2: Convert to fraction form
    13,945.96/19,245.66 = 7,658.92/x
  3. Step 3: Cross multiply
    13,945.96x = 19,245.66 × 7,658.92
  4. Step 4: Simplify right side
    13,945.96x = 147,400,970.29
  5. Step 5: Solve for x
    x = 147,400,970.29/13,945.96
  6. Step 6: Final answer
    x = 10,569.44

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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.