Home / 13,733.52-18,957.45-8,435.52

Finding the Fourth Proportional to 13,733.52, 18,957.45 and 8,435.52

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Solution

The fourth proportional to 13,733.52, 18,957.45 and 8,435.52 is: 11,644.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.52 : 18,957.45 = 8,435.52 : x
  2. Step 2: Convert to fraction form
    13,733.52/18,957.45 = 8,435.52/x
  3. Step 3: Cross multiply
    13,733.52x = 18,957.45 × 8,435.52
  4. Step 4: Simplify right side
    13,733.52x = 159,915,948.62
  5. Step 5: Solve for x
    x = 159,915,948.62/13,733.52
  6. Step 6: Final answer
    x = 11,644.21

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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.