Home / 18,180.10-27,284.72-9,417.52

Finding the Fourth Proportional to 18,180.10, 27,284.72 and 9,417.52

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Solution

The fourth proportional to 18,180.10, 27,284.72 and 9,417.52 is: 14,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.10 : 27,284.72 = 9,417.52 : x
  2. Step 2: Convert to fraction form
    18,180.10/27,284.72 = 9,417.52/x
  3. Step 3: Cross multiply
    18,180.10x = 27,284.72 × 9,417.52
  4. Step 4: Simplify right side
    18,180.10x = 256,954,212.78
  5. Step 5: Solve for x
    x = 256,954,212.78/18,180.10
  6. Step 6: Final answer
    x = 14,133.82

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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.