Home / 18,297.04-27,444.92-7,760.28

Finding the Fourth Proportional to 18,297.04, 27,444.92 and 7,760.28

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Solution

The fourth proportional to 18,297.04, 27,444.92 and 7,760.28 is: 11,640.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.04 : 27,444.92 = 7,760.28 : x
  2. Step 2: Convert to fraction form
    18,297.04/27,444.92 = 7,760.28/x
  3. Step 3: Cross multiply
    18,297.04x = 27,444.92 × 7,760.28
  4. Step 4: Simplify right side
    18,297.04x = 212,980,263.78
  5. Step 5: Solve for x
    x = 212,980,263.78/18,297.04
  6. Step 6: Final answer
    x = 11,640.15

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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.