Home / 13,774.24-20,663.79-5,876.74

Finding the Fourth Proportional to 13,774.24, 20,663.79 and 5,876.74

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Solution

The fourth proportional to 13,774.24, 20,663.79 and 5,876.74 is: 8,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,774.24 : 20,663.79 = 5,876.74 : x
  2. Step 2: Convert to fraction form
    13,774.24/20,663.79 = 5,876.74/x
  3. Step 3: Cross multiply
    13,774.24x = 20,663.79 × 5,876.74
  4. Step 4: Simplify right side
    13,774.24x = 121,435,721.24
  5. Step 5: Solve for x
    x = 121,435,721.24/13,774.24
  6. Step 6: Final answer
    x = 8,816.15

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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.