Home / 21,624.24-29,841.48-11,688.24

Finding the Fourth Proportional to 21,624.24, 29,841.48 and 11,688.24

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Solution

The fourth proportional to 21,624.24, 29,841.48 and 11,688.24 is: 16,129.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.24 : 29,841.48 = 11,688.24 : x
  2. Step 2: Convert to fraction form
    21,624.24/29,841.48 = 11,688.24/x
  3. Step 3: Cross multiply
    21,624.24x = 29,841.48 × 11,688.24
  4. Step 4: Simplify right side
    21,624.24x = 348,794,380.20
  5. Step 5: Solve for x
    x = 348,794,380.20/21,624.24
  6. Step 6: Final answer
    x = 16,129.79

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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.