Home / 14,291.49-19,711.41-12,520.02

Finding the Fourth Proportional to 14,291.49, 19,711.41 and 12,520.02

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Solution

The fourth proportional to 14,291.49, 19,711.41 and 12,520.02 is: 17,268.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.49 : 19,711.41 = 12,520.02 : x
  2. Step 2: Convert to fraction form
    14,291.49/19,711.41 = 12,520.02/x
  3. Step 3: Cross multiply
    14,291.49x = 19,711.41 × 12,520.02
  4. Step 4: Simplify right side
    14,291.49x = 246,787,247.43
  5. Step 5: Solve for x
    x = 246,787,247.43/14,291.49
  6. Step 6: Final answer
    x = 17,268.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.