Home / 18,293.02-27,438.92-7,756.27

Finding the Fourth Proportional to 18,293.02, 27,438.92 and 7,756.27

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Solution

The fourth proportional to 18,293.02, 27,438.92 and 7,756.27 is: 11,634.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,293.02 : 27,438.92 = 7,756.27 : x
  2. Step 2: Convert to fraction form
    18,293.02/27,438.92 = 7,756.27/x
  3. Step 3: Cross multiply
    18,293.02x = 27,438.92 × 7,756.27
  4. Step 4: Simplify right side
    18,293.02x = 212,823,672.03
  5. Step 5: Solve for x
    x = 212,823,672.03/18,293.02
  6. Step 6: Final answer
    x = 11,634.15

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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.