Home / 21,661.39-32,493.24-6,871.45

Finding the Fourth Proportional to 21,661.39, 32,493.24 and 6,871.45

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Solution

The fourth proportional to 21,661.39, 32,493.24 and 6,871.45 is: 10,307.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661.39 : 32,493.24 = 6,871.45 : x
  2. Step 2: Convert to fraction form
    21,661.39/32,493.24 = 6,871.45/x
  3. Step 3: Cross multiply
    21,661.39x = 32,493.24 × 6,871.45
  4. Step 4: Simplify right side
    21,661.39x = 223,275,477.17
  5. Step 5: Solve for x
    x = 223,275,477.17/21,661.39
  6. Step 6: Final answer
    x = 10,307.53

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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.