Home / 21,026.53-31,544.31-6,236.47

Finding the Fourth Proportional to 21,026.53, 31,544.31 and 6,236.47

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Solution

The fourth proportional to 21,026.53, 31,544.31 and 6,236.47 is: 9,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,026.53 : 31,544.31 = 6,236.47 : x
  2. Step 2: Convert to fraction form
    21,026.53/31,544.31 = 6,236.47/x
  3. Step 3: Cross multiply
    21,026.53x = 31,544.31 × 6,236.47
  4. Step 4: Simplify right side
    21,026.53x = 196,724,985.26
  5. Step 5: Solve for x
    x = 196,724,985.26/21,026.53
  6. Step 6: Final answer
    x = 9,356.04

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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.