Home / 14,055.16-21,080.30-5,290.14

Finding the Fourth Proportional to 14,055.16, 21,080.30 and 5,290.14

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Solution

The fourth proportional to 14,055.16, 21,080.30 and 5,290.14 is: 7,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.16 : 21,080.30 = 5,290.14 : x
  2. Step 2: Convert to fraction form
    14,055.16/21,080.30 = 5,290.14/x
  3. Step 3: Cross multiply
    14,055.16x = 21,080.30 × 5,290.14
  4. Step 4: Simplify right side
    14,055.16x = 111,517,738.24
  5. Step 5: Solve for x
    x = 111,517,738.24/14,055.16
  6. Step 6: Final answer
    x = 7,934.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.