Home / 21,334.51-32,001.90-6,543.37

Finding the Fourth Proportional to 21,334.51, 32,001.90 and 6,543.37

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Solution

The fourth proportional to 21,334.51, 32,001.90 and 6,543.37 is: 9,815.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,334.51 : 32,001.90 = 6,543.37 : x
  2. Step 2: Convert to fraction form
    21,334.51/32,001.90 = 6,543.37/x
  3. Step 3: Cross multiply
    21,334.51x = 32,001.90 × 6,543.37
  4. Step 4: Simplify right side
    21,334.51x = 209,400,272.40
  5. Step 5: Solve for x
    x = 209,400,272.40/21,334.51
  6. Step 6: Final answer
    x = 9,815.10

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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.