Home / 14,422.39-21,506.28-13,908.44

Finding the Fourth Proportional to 14,422.39, 21,506.28 and 13,908.44

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Solution

The fourth proportional to 14,422.39, 21,506.28 and 13,908.44 is: 20,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,422.39 : 21,506.28 = 13,908.44 : x
  2. Step 2: Convert to fraction form
    14,422.39/21,506.28 = 13,908.44/x
  3. Step 3: Cross multiply
    14,422.39x = 21,506.28 × 13,908.44
  4. Step 4: Simplify right side
    14,422.39x = 299,118,805.00
  5. Step 5: Solve for x
    x = 299,118,805.00/14,422.39
  6. Step 6: Final answer
    x = 20,739.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.