Home / 21,715.22-32,512.93-11,162.48

Finding the Fourth Proportional to 21,715.22, 32,512.93 and 11,162.48

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Solution

The fourth proportional to 21,715.22, 32,512.93 and 11,162.48 is: 16,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715.22 : 32,512.93 = 11,162.48 : x
  2. Step 2: Convert to fraction form
    21,715.22/32,512.93 = 11,162.48/x
  3. Step 3: Cross multiply
    21,715.22x = 32,512.93 × 11,162.48
  4. Step 4: Simplify right side
    21,715.22x = 362,924,740.40
  5. Step 5: Solve for x
    x = 362,924,740.40/21,715.22
  6. Step 6: Final answer
    x = 16,712.92

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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.