Home / 18,289.76-27,434.66-5,818.50

Finding the Fourth Proportional to 18,289.76, 27,434.66 and 5,818.50

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Solution

The fourth proportional to 18,289.76, 27,434.66 and 5,818.50 is: 8,727.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.76 : 27,434.66 = 5,818.50 : x
  2. Step 2: Convert to fraction form
    18,289.76/27,434.66 = 5,818.50/x
  3. Step 3: Cross multiply
    18,289.76x = 27,434.66 × 5,818.50
  4. Step 4: Simplify right side
    18,289.76x = 159,628,540.12
  5. Step 5: Solve for x
    x = 159,628,540.12/18,289.76
  6. Step 6: Final answer
    x = 8,727.76

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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.