Home / 14,066.88-21,084-5,296.20

Finding the Fourth Proportional to 14,066.88, 21,084 and 5,296.20

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Solution

The fourth proportional to 14,066.88, 21,084 and 5,296.20 is: 7,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,066.88 : 21,084 = 5,296.20 : x
  2. Step 2: Convert to fraction form
    14,066.88/21,084 = 5,296.20/x
  3. Step 3: Cross multiply
    14,066.88x = 21,084 × 5,296.20
  4. Step 4: Simplify right side
    14,066.88x = 111,665,080.80
  5. Step 5: Solve for x
    x = 111,665,080.80/14,066.88
  6. Step 6: Final answer
    x = 7,938.16

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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.