Home / 14,472.37-21,691.80-6,664.78

Finding the Fourth Proportional to 14,472.37, 21,691.80 and 6,664.78

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Solution

The fourth proportional to 14,472.37, 21,691.80 and 6,664.78 is: 9,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472.37 : 21,691.80 = 6,664.78 : x
  2. Step 2: Convert to fraction form
    14,472.37/21,691.80 = 6,664.78/x
  3. Step 3: Cross multiply
    14,472.37x = 21,691.80 × 6,664.78
  4. Step 4: Simplify right side
    14,472.37x = 144,571,074.80
  5. Step 5: Solve for x
    x = 144,571,074.80/14,472.37
  6. Step 6: Final answer
    x = 9,989.45

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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.