Home / 10,984.42-16,478.28-3,192.22

Finding the Fourth Proportional to 10,984.42, 16,478.28 and 3,192.22

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Solution

The fourth proportional to 10,984.42, 16,478.28 and 3,192.22 is: 4,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,984.42 : 16,478.28 = 3,192.22 : x
  2. Step 2: Convert to fraction form
    10,984.42/16,478.28 = 3,192.22/x
  3. Step 3: Cross multiply
    10,984.42x = 16,478.28 × 3,192.22
  4. Step 4: Simplify right side
    10,984.42x = 52,602,294.98
  5. Step 5: Solve for x
    x = 52,602,294.98/10,984.42
  6. Step 6: Final answer
    x = 4,788.81

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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.