Home / 13,260.45-18,299.42-7,292.52

Finding the Fourth Proportional to 13,260.45, 18,299.42 and 7,292.52

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Solution

The fourth proportional to 13,260.45, 18,299.42 and 7,292.52 is: 10,063.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.45 : 18,299.42 = 7,292.52 : x
  2. Step 2: Convert to fraction form
    13,260.45/18,299.42 = 7,292.52/x
  3. Step 3: Cross multiply
    13,260.45x = 18,299.42 × 7,292.52
  4. Step 4: Simplify right side
    13,260.45x = 133,448,886.34
  5. Step 5: Solve for x
    x = 133,448,886.34/13,260.45
  6. Step 6: Final answer
    x = 10,063.68

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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.