Home / 14,140.32-21,209.57-5,375.01

Finding the Fourth Proportional to 14,140.32, 21,209.57 and 5,375.01

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Solution

The fourth proportional to 14,140.32, 21,209.57 and 5,375.01 is: 8,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.32 : 21,209.57 = 5,375.01 : x
  2. Step 2: Convert to fraction form
    14,140.32/21,209.57 = 5,375.01/x
  3. Step 3: Cross multiply
    14,140.32x = 21,209.57 × 5,375.01
  4. Step 4: Simplify right side
    14,140.32x = 114,001,623.97
  5. Step 5: Solve for x
    x = 114,001,623.97/14,140.32
  6. Step 6: Final answer
    x = 8,062.17

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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.