Home / 18,439.14-27,661.44-6,751.45

Finding the Fourth Proportional to 18,439.14, 27,661.44 and 6,751.45

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Solution

The fourth proportional to 18,439.14, 27,661.44 and 6,751.45 is: 10,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,439.14 : 27,661.44 = 6,751.45 : x
  2. Step 2: Convert to fraction form
    18,439.14/27,661.44 = 6,751.45/x
  3. Step 3: Cross multiply
    18,439.14x = 27,661.44 × 6,751.45
  4. Step 4: Simplify right side
    18,439.14x = 186,754,829.09
  5. Step 5: Solve for x
    x = 186,754,829.09/18,439.14
  6. Step 6: Final answer
    x = 10,128.17

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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.