Home / 21,397.32-32,098.72-6,607.74

Finding the Fourth Proportional to 21,397.32, 32,098.72 and 6,607.74

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Solution

The fourth proportional to 21,397.32, 32,098.72 and 6,607.74 is: 9,912.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.32 : 32,098.72 = 6,607.74 : x
  2. Step 2: Convert to fraction form
    21,397.32/32,098.72 = 6,607.74/x
  3. Step 3: Cross multiply
    21,397.32x = 32,098.72 × 6,607.74
  4. Step 4: Simplify right side
    21,397.32x = 212,099,996.09
  5. Step 5: Solve for x
    x = 212,099,996.09/21,397.32
  6. Step 6: Final answer
    x = 9,912.46

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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.