Home / 18,488.88-25,533.30-11,777.52

Finding the Fourth Proportional to 18,488.88, 25,533.30 and 11,777.52

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Solution

The fourth proportional to 18,488.88, 25,533.30 and 11,777.52 is: 16,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.88 : 25,533.30 = 11,777.52 : x
  2. Step 2: Convert to fraction form
    18,488.88/25,533.30 = 11,777.52/x
  3. Step 3: Cross multiply
    18,488.88x = 25,533.30 × 11,777.52
  4. Step 4: Simplify right side
    18,488.88x = 300,718,951.42
  5. Step 5: Solve for x
    x = 300,718,951.42/18,488.88
  6. Step 6: Final answer
    x = 16,264.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.