Home / 13,642.04-20,451.65-4,276.14

Finding the Fourth Proportional to 13,642.04, 20,451.65 and 4,276.14

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Solution

The fourth proportional to 13,642.04, 20,451.65 and 4,276.14 is: 6,410.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,642.04 : 20,451.65 = 4,276.14 : x
  2. Step 2: Convert to fraction form
    13,642.04/20,451.65 = 4,276.14/x
  3. Step 3: Cross multiply
    13,642.04x = 20,451.65 × 4,276.14
  4. Step 4: Simplify right side
    13,642.04x = 87,454,097.25
  5. Step 5: Solve for x
    x = 87,454,097.25/13,642.04
  6. Step 6: Final answer
    x = 6,410.63

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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.