Home / 14,418.76-19,896.28-8,131.14

Finding the Fourth Proportional to 14,418.76, 19,896.28 and 8,131.14

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Solution

The fourth proportional to 14,418.76, 19,896.28 and 8,131.14 is: 11,220.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.76 : 19,896.28 = 8,131.14 : x
  2. Step 2: Convert to fraction form
    14,418.76/19,896.28 = 8,131.14/x
  3. Step 3: Cross multiply
    14,418.76x = 19,896.28 × 8,131.14
  4. Step 4: Simplify right side
    14,418.76x = 161,779,438.16
  5. Step 5: Solve for x
    x = 161,779,438.16/14,418.76
  6. Step 6: Final answer
    x = 11,220.07

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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.