Home / 13,749.50-18,974.36-8,444.27

Finding the Fourth Proportional to 13,749.50, 18,974.36 and 8,444.27

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Solution

The fourth proportional to 13,749.50, 18,974.36 and 8,444.27 is: 11,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.50 : 18,974.36 = 8,444.27 : x
  2. Step 2: Convert to fraction form
    13,749.50/18,974.36 = 8,444.27/x
  3. Step 3: Cross multiply
    13,749.50x = 18,974.36 × 8,444.27
  4. Step 4: Simplify right side
    13,749.50x = 160,224,618.92
  5. Step 5: Solve for x
    x = 160,224,618.92/13,749.50
  6. Step 6: Final answer
    x = 11,653.12

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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.