Home / 18,166.87-27,235.70-10,264.51

Finding the Fourth Proportional to 18,166.87, 27,235.70 and 10,264.51

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Solution

The fourth proportional to 18,166.87, 27,235.70 and 10,264.51 is: 15,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.87 : 27,235.70 = 10,264.51 : x
  2. Step 2: Convert to fraction form
    18,166.87/27,235.70 = 10,264.51/x
  3. Step 3: Cross multiply
    18,166.87x = 27,235.70 × 10,264.51
  4. Step 4: Simplify right side
    18,166.87x = 279,560,978.83
  5. Step 5: Solve for x
    x = 279,560,978.83/18,166.87
  6. Step 6: Final answer
    x = 15,388.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.