Home / 21,400.52-32,099.28-6,607.88

Finding the Fourth Proportional to 21,400.52, 32,099.28 and 6,607.88

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Solution

The fourth proportional to 21,400.52, 32,099.28 and 6,607.88 is: 9,911.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,400.52 : 32,099.28 = 6,607.88 : x
  2. Step 2: Convert to fraction form
    21,400.52/32,099.28 = 6,607.88/x
  3. Step 3: Cross multiply
    21,400.52x = 32,099.28 × 6,607.88
  4. Step 4: Simplify right side
    21,400.52x = 212,108,190.33
  5. Step 5: Solve for x
    x = 212,108,190.33/21,400.52
  6. Step 6: Final answer
    x = 9,911.36

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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.