Home / 13,260.37-18,299.45-7,292.08

Finding the Fourth Proportional to 13,260.37, 18,299.45 and 7,292.08

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Solution

The fourth proportional to 13,260.37, 18,299.45 and 7,292.08 is: 10,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.37 : 18,299.45 = 7,292.08 : x
  2. Step 2: Convert to fraction form
    13,260.37/18,299.45 = 7,292.08/x
  3. Step 3: Cross multiply
    13,260.37x = 18,299.45 × 7,292.08
  4. Step 4: Simplify right side
    13,260.37x = 133,441,016.90
  5. Step 5: Solve for x
    x = 133,441,016.90/13,260.37
  6. Step 6: Final answer
    x = 10,063.14

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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.