Home / 13,290.06-18,346.84-9,063.06

Finding the Fourth Proportional to 13,290.06, 18,346.84 and 9,063.06

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Solution

The fourth proportional to 13,290.06, 18,346.84 and 9,063.06 is: 12,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,290.06 : 18,346.84 = 9,063.06 : x
  2. Step 2: Convert to fraction form
    13,290.06/18,346.84 = 9,063.06/x
  3. Step 3: Cross multiply
    13,290.06x = 18,346.84 × 9,063.06
  4. Step 4: Simplify right side
    13,290.06x = 166,278,511.73
  5. Step 5: Solve for x
    x = 166,278,511.73/13,290.06
  6. Step 6: Final answer
    x = 12,511.49

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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.