Home / 13,260.36-18,299.37-7,292.07

Finding the Fourth Proportional to 13,260.36, 18,299.37 and 7,292.07

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Solution

The fourth proportional to 13,260.36, 18,299.37 and 7,292.07 is: 10,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.36 : 18,299.37 = 7,292.07 : x
  2. Step 2: Convert to fraction form
    13,260.36/18,299.37 = 7,292.07/x
  3. Step 3: Cross multiply
    13,260.36x = 18,299.37 × 7,292.07
  4. Step 4: Simplify right side
    13,260.36x = 133,440,287.00
  5. Step 5: Solve for x
    x = 133,440,287.00/13,260.36
  6. Step 6: Final answer
    x = 10,063.10

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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.