Home / 21,397.54-32,084.56-6,602.36

Finding the Fourth Proportional to 21,397.54, 32,084.56 and 6,602.36

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Solution

The fourth proportional to 21,397.54, 32,084.56 and 6,602.36 is: 9,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397.54 : 32,084.56 = 6,602.36 : x
  2. Step 2: Convert to fraction form
    21,397.54/32,084.56 = 6,602.36/x
  3. Step 3: Cross multiply
    21,397.54x = 32,084.56 × 6,602.36
  4. Step 4: Simplify right side
    21,397.54x = 211,833,815.56
  5. Step 5: Solve for x
    x = 211,833,815.56/21,397.54
  6. Step 6: Final answer
    x = 9,899.91

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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.