Home / 18,180.93-27,271.38-5,033.28

Finding the Fourth Proportional to 18,180.93, 27,271.38 and 5,033.28

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Solution

The fourth proportional to 18,180.93, 27,271.38 and 5,033.28 is: 7,549.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.93 : 27,271.38 = 5,033.28 : x
  2. Step 2: Convert to fraction form
    18,180.93/27,271.38 = 5,033.28/x
  3. Step 3: Cross multiply
    18,180.93x = 27,271.38 × 5,033.28
  4. Step 4: Simplify right side
    18,180.93x = 137,264,491.53
  5. Step 5: Solve for x
    x = 137,264,491.53/18,180.93
  6. Step 6: Final answer
    x = 7,549.92

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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.