Home / 21,691.02-32,533.64-6,109.86

Finding the Fourth Proportional to 21,691.02, 32,533.64 and 6,109.86

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Solution

The fourth proportional to 21,691.02, 32,533.64 and 6,109.86 is: 9,163.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,691.02 : 32,533.64 = 6,109.86 : x
  2. Step 2: Convert to fraction form
    21,691.02/32,533.64 = 6,109.86/x
  3. Step 3: Cross multiply
    21,691.02x = 32,533.64 × 6,109.86
  4. Step 4: Simplify right side
    21,691.02x = 198,775,985.69
  5. Step 5: Solve for x
    x = 198,775,985.69/21,691.02
  6. Step 6: Final answer
    x = 9,163.98

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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.