Home / 14,087.28-21,119.97-5,769.39

Finding the Fourth Proportional to 14,087.28, 21,119.97 and 5,769.39

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Solution

The fourth proportional to 14,087.28, 21,119.97 and 5,769.39 is: 8,649.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.28 : 21,119.97 = 5,769.39 : x
  2. Step 2: Convert to fraction form
    14,087.28/21,119.97 = 5,769.39/x
  3. Step 3: Cross multiply
    14,087.28x = 21,119.97 × 5,769.39
  4. Step 4: Simplify right side
    14,087.28x = 121,849,343.72
  5. Step 5: Solve for x
    x = 121,849,343.72/14,087.28
  6. Step 6: Final answer
    x = 8,649.60

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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.