Home / 19,565.45-29,350.49-7,091.36

Finding the Fourth Proportional to 19,565.45, 29,350.49 and 7,091.36

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Solution

The fourth proportional to 19,565.45, 29,350.49 and 7,091.36 is: 10,637.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,565.45 : 29,350.49 = 7,091.36 : x
  2. Step 2: Convert to fraction form
    19,565.45/29,350.49 = 7,091.36/x
  3. Step 3: Cross multiply
    19,565.45x = 29,350.49 × 7,091.36
  4. Step 4: Simplify right side
    19,565.45x = 208,134,708.56
  5. Step 5: Solve for x
    x = 208,134,708.56/19,565.45
  6. Step 6: Final answer
    x = 10,637.87

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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.