Home / 18,330.20-27,509.90-6,646.76

Finding the Fourth Proportional to 18,330.20, 27,509.90 and 6,646.76

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Solution

The fourth proportional to 18,330.20, 27,509.90 and 6,646.76 is: 9,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.20 : 27,509.90 = 6,646.76 : x
  2. Step 2: Convert to fraction form
    18,330.20/27,509.90 = 6,646.76/x
  3. Step 3: Cross multiply
    18,330.20x = 27,509.90 × 6,646.76
  4. Step 4: Simplify right side
    18,330.20x = 182,851,702.92
  5. Step 5: Solve for x
    x = 182,851,702.92/18,330.20
  6. Step 6: Final answer
    x = 9,975.43

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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.