Home / 14,579.70-21,891.55-11,649.30

Finding the Fourth Proportional to 14,579.70, 21,891.55 and 11,649.30

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Solution

The fourth proportional to 14,579.70, 21,891.55 and 11,649.30 is: 17,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.70 : 21,891.55 = 11,649.30 : x
  2. Step 2: Convert to fraction form
    14,579.70/21,891.55 = 11,649.30/x
  3. Step 3: Cross multiply
    14,579.70x = 21,891.55 × 11,649.30
  4. Step 4: Simplify right side
    14,579.70x = 255,021,233.42
  5. Step 5: Solve for x
    x = 255,021,233.42/14,579.70
  6. Step 6: Final answer
    x = 17,491.53

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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.