Home / 14,427.28-21,649.38-6,106.78

Finding the Fourth Proportional to 14,427.28, 21,649.38 and 6,106.78

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Solution

The fourth proportional to 14,427.28, 21,649.38 and 6,106.78 is: 9,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,427.28 : 21,649.38 = 6,106.78 : x
  2. Step 2: Convert to fraction form
    14,427.28/21,649.38 = 6,106.78/x
  3. Step 3: Cross multiply
    14,427.28x = 21,649.38 × 6,106.78
  4. Step 4: Simplify right side
    14,427.28x = 132,208,000.80
  5. Step 5: Solve for x
    x = 132,208,000.80/14,427.28
  6. Step 6: Final answer
    x = 9,163.75

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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.