Home / 14,387.40-21,584.68-14,149.02

Finding the Fourth Proportional to 14,387.40, 21,584.68 and 14,149.02

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Solution

The fourth proportional to 14,387.40, 21,584.68 and 14,149.02 is: 21,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387.40 : 21,584.68 = 14,149.02 : x
  2. Step 2: Convert to fraction form
    14,387.40/21,584.68 = 14,149.02/x
  3. Step 3: Cross multiply
    14,387.40x = 21,584.68 × 14,149.02
  4. Step 4: Simplify right side
    14,387.40x = 305,402,069.01
  5. Step 5: Solve for x
    x = 305,402,069.01/14,387.40
  6. Step 6: Final answer
    x = 21,227.05

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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.