Home / 14,195.52-21,301.92-5,431.32

Finding the Fourth Proportional to 14,195.52, 21,301.92 and 5,431.32

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Solution

The fourth proportional to 14,195.52, 21,301.92 and 5,431.32 is: 8,150.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.52 : 21,301.92 = 5,431.32 : x
  2. Step 2: Convert to fraction form
    14,195.52/21,301.92 = 5,431.32/x
  3. Step 3: Cross multiply
    14,195.52x = 21,301.92 × 5,431.32
  4. Step 4: Simplify right side
    14,195.52x = 115,697,544.13
  5. Step 5: Solve for x
    x = 115,697,544.13/14,195.52
  6. Step 6: Final answer
    x = 8,150.29

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1.5x scale

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.