Home / 13,847.52-19,103.28-8,256.48

Finding the Fourth Proportional to 13,847.52, 19,103.28 and 8,256.48

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Solution

The fourth proportional to 13,847.52, 19,103.28 and 8,256.48 is: 11,390.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.52 : 19,103.28 = 8,256.48 : x
  2. Step 2: Convert to fraction form
    13,847.52/19,103.28 = 8,256.48/x
  3. Step 3: Cross multiply
    13,847.52x = 19,103.28 × 8,256.48
  4. Step 4: Simplify right side
    13,847.52x = 157,725,849.25
  5. Step 5: Solve for x
    x = 157,725,849.25/13,847.52
  6. Step 6: Final answer
    x = 11,390.19

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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.