Home / 9,132.12-13,698.45-3,586.86

Finding the Fourth Proportional to 9,132.12, 13,698.45 and 3,586.86

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Solution

The fourth proportional to 9,132.12, 13,698.45 and 3,586.86 is: 5,380.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.12 : 13,698.45 = 3,586.86 : x
  2. Step 2: Convert to fraction form
    9,132.12/13,698.45 = 3,586.86/x
  3. Step 3: Cross multiply
    9,132.12x = 13,698.45 × 3,586.86
  4. Step 4: Simplify right side
    9,132.12x = 49,134,422.37
  5. Step 5: Solve for x
    x = 49,134,422.37/9,132.12
  6. Step 6: Final answer
    x = 5,380.40

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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.