Home / 18,106.29-27,159.39-4,959.68

Finding the Fourth Proportional to 18,106.29, 27,159.39 and 4,959.68

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Solution

The fourth proportional to 18,106.29, 27,159.39 and 4,959.68 is: 7,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106.29 : 27,159.39 = 4,959.68 : x
  2. Step 2: Convert to fraction form
    18,106.29/27,159.39 = 4,959.68/x
  3. Step 3: Cross multiply
    18,106.29x = 27,159.39 × 4,959.68
  4. Step 4: Simplify right side
    18,106.29x = 134,701,747.60
  5. Step 5: Solve for x
    x = 134,701,747.60/18,106.29
  6. Step 6: Final answer
    x = 7,439.50

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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.