Home / 13,963.78-19,265.34-8,580.52

Finding the Fourth Proportional to 13,963.78, 19,265.34 and 8,580.52

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Solution

The fourth proportional to 13,963.78, 19,265.34 and 8,580.52 is: 11,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,963.78 : 19,265.34 = 8,580.52 : x
  2. Step 2: Convert to fraction form
    13,963.78/19,265.34 = 8,580.52/x
  3. Step 3: Cross multiply
    13,963.78x = 19,265.34 × 8,580.52
  4. Step 4: Simplify right side
    13,963.78x = 165,306,635.18
  5. Step 5: Solve for x
    x = 165,306,635.18/13,963.78
  6. Step 6: Final answer
    x = 11,838.24

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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.