Home / 13,528.73-18,657.56-8,493.42

Finding the Fourth Proportional to 13,528.73, 18,657.56 and 8,493.42

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Solution

The fourth proportional to 13,528.73, 18,657.56 and 8,493.42 is: 11,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528.73 : 18,657.56 = 8,493.42 : x
  2. Step 2: Convert to fraction form
    13,528.73/18,657.56 = 8,493.42/x
  3. Step 3: Cross multiply
    13,528.73x = 18,657.56 × 8,493.42
  4. Step 4: Simplify right side
    13,528.73x = 158,466,493.26
  5. Step 5: Solve for x
    x = 158,466,493.26/13,528.73
  6. Step 6: Final answer
    x = 11,713.33

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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.