Home / 14,218.94-19,579.11-11,225.18

Finding the Fourth Proportional to 14,218.94, 19,579.11 and 11,225.18

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Solution

The fourth proportional to 14,218.94, 19,579.11 and 11,225.18 is: 15,456.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.94 : 19,579.11 = 11,225.18 : x
  2. Step 2: Convert to fraction form
    14,218.94/19,579.11 = 11,225.18/x
  3. Step 3: Cross multiply
    14,218.94x = 19,579.11 × 11,225.18
  4. Step 4: Simplify right side
    14,218.94x = 219,779,033.99
  5. Step 5: Solve for x
    x = 219,779,033.99/14,218.94
  6. Step 6: Final answer
    x = 15,456.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.