Home / 14,221.36-21,332.10-6,824.08

Finding the Fourth Proportional to 14,221.36, 21,332.10 and 6,824.08

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Solution

The fourth proportional to 14,221.36, 21,332.10 and 6,824.08 is: 10,236.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,221.36 : 21,332.10 = 6,824.08 : x
  2. Step 2: Convert to fraction form
    14,221.36/21,332.10 = 6,824.08/x
  3. Step 3: Cross multiply
    14,221.36x = 21,332.10 × 6,824.08
  4. Step 4: Simplify right side
    14,221.36x = 145,571,956.97
  5. Step 5: Solve for x
    x = 145,571,956.97/14,221.36
  6. Step 6: Final answer
    x = 10,236.15

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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.