Home / 14,679.47-21,991.50-11,376.41

Finding the Fourth Proportional to 14,679.47, 21,991.50 and 11,376.41

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Solution

The fourth proportional to 14,679.47, 21,991.50 and 11,376.41 is: 17,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.47 : 21,991.50 = 11,376.41 : x
  2. Step 2: Convert to fraction form
    14,679.47/21,991.50 = 11,376.41/x
  3. Step 3: Cross multiply
    14,679.47x = 21,991.50 × 11,376.41
  4. Step 4: Simplify right side
    14,679.47x = 250,184,210.56
  5. Step 5: Solve for x
    x = 250,184,210.56/14,679.47
  6. Step 6: Final answer
    x = 17,043.13

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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.