Home / 15,027.66-20,757.87-11,533.86

Finding the Fourth Proportional to 15,027.66, 20,757.87 and 11,533.86

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Solution

The fourth proportional to 15,027.66, 20,757.87 and 11,533.86 is: 15,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,027.66 : 20,757.87 = 11,533.86 : x
  2. Step 2: Convert to fraction form
    15,027.66/20,757.87 = 11,533.86/x
  3. Step 3: Cross multiply
    15,027.66x = 20,757.87 × 11,533.86
  4. Step 4: Simplify right side
    15,027.66x = 239,418,366.48
  5. Step 5: Solve for x
    x = 239,418,366.48/15,027.66
  6. Step 6: Final answer
    x = 15,931.85

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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.