Home / 15,339.24-21,168.05-8,624.88

Finding the Fourth Proportional to 15,339.24, 21,168.05 and 8,624.88

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Solution

The fourth proportional to 15,339.24, 21,168.05 and 8,624.88 is: 11,902.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.24 : 21,168.05 = 8,624.88 : x
  2. Step 2: Convert to fraction form
    15,339.24/21,168.05 = 8,624.88/x
  3. Step 3: Cross multiply
    15,339.24x = 21,168.05 × 8,624.88
  4. Step 4: Simplify right side
    15,339.24x = 182,571,847.96
  5. Step 5: Solve for x
    x = 182,571,847.96/15,339.24
  6. Step 6: Final answer
    x = 11,902.27

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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.