Home / 13,260.12-18,299.04-7,292.19

Finding the Fourth Proportional to 13,260.12, 18,299.04 and 7,292.19

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Solution

The fourth proportional to 13,260.12, 18,299.04 and 7,292.19 is: 10,063.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.12 : 18,299.04 = 7,292.19 : x
  2. Step 2: Convert to fraction form
    13,260.12/18,299.04 = 7,292.19/x
  3. Step 3: Cross multiply
    13,260.12x = 18,299.04 × 7,292.19
  4. Step 4: Simplify right side
    13,260.12x = 133,440,076.50
  5. Step 5: Solve for x
    x = 133,440,076.50/13,260.12
  6. Step 6: Final answer
    x = 10,063.26

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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.