Home / 13,260.24-18,299.07-7,291.89

Finding the Fourth Proportional to 13,260.24, 18,299.07 and 7,291.89

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Solution

The fourth proportional to 13,260.24, 18,299.07 and 7,291.89 is: 10,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.24 : 18,299.07 = 7,291.89 : x
  2. Step 2: Convert to fraction form
    13,260.24/18,299.07 = 7,291.89/x
  3. Step 3: Cross multiply
    13,260.24x = 18,299.07 × 7,291.89
  4. Step 4: Simplify right side
    13,260.24x = 133,434,805.54
  5. Step 5: Solve for x
    x = 133,434,805.54/13,260.24
  6. Step 6: Final answer
    x = 10,062.77

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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.