Home / 14,456.45-19,942.74-11,264.04

Finding the Fourth Proportional to 14,456.45, 19,942.74 and 11,264.04

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Solution

The fourth proportional to 14,456.45, 19,942.74 and 11,264.04 is: 15,538.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,456.45 : 19,942.74 = 11,264.04 : x
  2. Step 2: Convert to fraction form
    14,456.45/19,942.74 = 11,264.04/x
  3. Step 3: Cross multiply
    14,456.45x = 19,942.74 × 11,264.04
  4. Step 4: Simplify right side
    14,456.45x = 224,635,821.07
  5. Step 5: Solve for x
    x = 224,635,821.07/14,456.45
  6. Step 6: Final answer
    x = 15,538.79

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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.