Home / 14,287.11-21,429.77-4,425.59

Finding the Fourth Proportional to 14,287.11, 21,429.77 and 4,425.59

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Solution

The fourth proportional to 14,287.11, 21,429.77 and 4,425.59 is: 6,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.11 : 21,429.77 = 4,425.59 : x
  2. Step 2: Convert to fraction form
    14,287.11/21,429.77 = 4,425.59/x
  3. Step 3: Cross multiply
    14,287.11x = 21,429.77 × 4,425.59
  4. Step 4: Simplify right side
    14,287.11x = 94,839,246.54
  5. Step 5: Solve for x
    x = 94,839,246.54/14,287.11
  6. Step 6: Final answer
    x = 6,638.10

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1.5x scale

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.