Home / 13,260.06-18,299.11-7,291.98

Finding the Fourth Proportional to 13,260.06, 18,299.11 and 7,291.98

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Solution

The fourth proportional to 13,260.06, 18,299.11 and 7,291.98 is: 10,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.06 : 18,299.11 = 7,291.98 : x
  2. Step 2: Convert to fraction form
    13,260.06/18,299.11 = 7,291.98/x
  3. Step 3: Cross multiply
    13,260.06x = 18,299.11 × 7,291.98
  4. Step 4: Simplify right side
    13,260.06x = 133,436,744.14
  5. Step 5: Solve for x
    x = 133,436,744.14/13,260.06
  6. Step 6: Final answer
    x = 10,063.06

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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.