Home / 14,548.78-21,822.99-6,221.71

Finding the Fourth Proportional to 14,548.78, 21,822.99 and 6,221.71

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Solution

The fourth proportional to 14,548.78, 21,822.99 and 6,221.71 is: 9,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.78 : 21,822.99 = 6,221.71 : x
  2. Step 2: Convert to fraction form
    14,548.78/21,822.99 = 6,221.71/x
  3. Step 3: Cross multiply
    14,548.78x = 21,822.99 × 6,221.71
  4. Step 4: Simplify right side
    14,548.78x = 135,776,315.11
  5. Step 5: Solve for x
    x = 135,776,315.11/14,548.78
  6. Step 6: Final answer
    x = 9,332.49

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Similar ratio
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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.