Home / 14,136.76-19,509.06-7,849

Finding the Fourth Proportional to 14,136.76, 19,509.06 and 7,849

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Solution

The fourth proportional to 14,136.76, 19,509.06 and 7,849 is: 10,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.76 : 19,509.06 = 7,849 : x
  2. Step 2: Convert to fraction form
    14,136.76/19,509.06 = 7,849/x
  3. Step 3: Cross multiply
    14,136.76x = 19,509.06 × 7,849
  4. Step 4: Simplify right side
    14,136.76x = 153,126,611.94
  5. Step 5: Solve for x
    x = 153,126,611.94/14,136.76
  6. Step 6: Final answer
    x = 10,831.80

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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.