Home / 10,802.28-16,203.40-4,223.85

Finding the Fourth Proportional to 10,802.28, 16,203.40 and 4,223.85

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Solution

The fourth proportional to 10,802.28, 16,203.40 and 4,223.85 is: 6,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.28 : 16,203.40 = 4,223.85 : x
  2. Step 2: Convert to fraction form
    10,802.28/16,203.40 = 4,223.85/x
  3. Step 3: Cross multiply
    10,802.28x = 16,203.40 × 4,223.85
  4. Step 4: Simplify right side
    10,802.28x = 68,440,697.42
  5. Step 5: Solve for x
    x = 68,440,697.42/10,802.28
  6. Step 6: Final answer
    x = 6,335.77

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.