Home / 15,999.96-24,005.70-5,611.80

Finding the Fourth Proportional to 15,999.96, 24,005.70 and 5,611.80

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Solution

The fourth proportional to 15,999.96, 24,005.70 and 5,611.80 is: 8,419.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.96 : 24,005.70 = 5,611.80 : x
  2. Step 2: Convert to fraction form
    15,999.96/24,005.70 = 5,611.80/x
  3. Step 3: Cross multiply
    15,999.96x = 24,005.70 × 5,611.80
  4. Step 4: Simplify right side
    15,999.96x = 134,715,187.26
  5. Step 5: Solve for x
    x = 134,715,187.26/15,999.96
  6. Step 6: Final answer
    x = 8,419.72

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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.