Home / 15,350.96-21,205.50-11,858.24

Finding the Fourth Proportional to 15,350.96, 21,205.50 and 11,858.24

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Solution

The fourth proportional to 15,350.96, 21,205.50 and 11,858.24 is: 16,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.96 : 21,205.50 = 11,858.24 : x
  2. Step 2: Convert to fraction form
    15,350.96/21,205.50 = 11,858.24/x
  3. Step 3: Cross multiply
    15,350.96x = 21,205.50 × 11,858.24
  4. Step 4: Simplify right side
    15,350.96x = 251,459,908.32
  5. Step 5: Solve for x
    x = 251,459,908.32/15,350.96
  6. Step 6: Final answer
    x = 16,380.73

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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.