Home / 14,146.74-21,214.33-6,142.02

Finding the Fourth Proportional to 14,146.74, 21,214.33 and 6,142.02

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Solution

The fourth proportional to 14,146.74, 21,214.33 and 6,142.02 is: 9,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,146.74 : 21,214.33 = 6,142.02 : x
  2. Step 2: Convert to fraction form
    14,146.74/21,214.33 = 6,142.02/x
  3. Step 3: Cross multiply
    14,146.74x = 21,214.33 × 6,142.02
  4. Step 4: Simplify right side
    14,146.74x = 130,298,839.15
  5. Step 5: Solve for x
    x = 130,298,839.15/14,146.74
  6. Step 6: Final answer
    x = 9,210.52

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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.