Home / 18,535.20-27,802.80-8,683.98

Finding the Fourth Proportional to 18,535.20, 27,802.80 and 8,683.98

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Solution

The fourth proportional to 18,535.20, 27,802.80 and 8,683.98 is: 13,025.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.20 : 27,802.80 = 8,683.98 : x
  2. Step 2: Convert to fraction form
    18,535.20/27,802.80 = 8,683.98/x
  3. Step 3: Cross multiply
    18,535.20x = 27,802.80 × 8,683.98
  4. Step 4: Simplify right side
    18,535.20x = 241,438,959.14
  5. Step 5: Solve for x
    x = 241,438,959.14/18,535.20
  6. Step 6: Final answer
    x = 13,025.97

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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.