Home / 14,440.78-19,928.37-8,153.02

Finding the Fourth Proportional to 14,440.78, 19,928.37 and 8,153.02

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Solution

The fourth proportional to 14,440.78, 19,928.37 and 8,153.02 is: 11,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.78 : 19,928.37 = 8,153.02 : x
  2. Step 2: Convert to fraction form
    14,440.78/19,928.37 = 8,153.02/x
  3. Step 3: Cross multiply
    14,440.78x = 19,928.37 × 8,153.02
  4. Step 4: Simplify right side
    14,440.78x = 162,476,399.18
  5. Step 5: Solve for x
    x = 162,476,399.18/14,440.78
  6. Step 6: Final answer
    x = 11,251.22

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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.