Home / 21,789.48-32,683.32-6,999.24

Finding the Fourth Proportional to 21,789.48, 32,683.32 and 6,999.24

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Solution

The fourth proportional to 21,789.48, 32,683.32 and 6,999.24 is: 10,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,789.48 : 32,683.32 = 6,999.24 : x
  2. Step 2: Convert to fraction form
    21,789.48/32,683.32 = 6,999.24/x
  3. Step 3: Cross multiply
    21,789.48x = 32,683.32 × 6,999.24
  4. Step 4: Simplify right side
    21,789.48x = 228,758,400.68
  5. Step 5: Solve for x
    x = 228,758,400.68/21,789.48
  6. Step 6: Final answer
    x = 10,498.57

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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.