Home / 13,060.25-19,571.17-7,717.93

Finding the Fourth Proportional to 13,060.25, 19,571.17 and 7,717.93

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Solution

The fourth proportional to 13,060.25, 19,571.17 and 7,717.93 is: 11,565.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.25 : 19,571.17 = 7,717.93 : x
  2. Step 2: Convert to fraction form
    13,060.25/19,571.17 = 7,717.93/x
  3. Step 3: Cross multiply
    13,060.25x = 19,571.17 × 7,717.93
  4. Step 4: Simplify right side
    13,060.25x = 151,048,976.41
  5. Step 5: Solve for x
    x = 151,048,976.41/13,060.25
  6. Step 6: Final answer
    x = 11,565.55

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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.