Home / 13,933.68-19,228.50-7,645.92

Finding the Fourth Proportional to 13,933.68, 19,228.50 and 7,645.92

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Solution

The fourth proportional to 13,933.68, 19,228.50 and 7,645.92 is: 10,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933.68 : 19,228.50 = 7,645.92 : x
  2. Step 2: Convert to fraction form
    13,933.68/19,228.50 = 7,645.92/x
  3. Step 3: Cross multiply
    13,933.68x = 19,228.50 × 7,645.92
  4. Step 4: Simplify right side
    13,933.68x = 147,019,572.72
  5. Step 5: Solve for x
    x = 147,019,572.72/13,933.68
  6. Step 6: Final answer
    x = 10,551.38

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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.