Home / 10,942.24-16,420.64-5,099.44

Finding the Fourth Proportional to 10,942.24, 16,420.64 and 5,099.44

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Solution

The fourth proportional to 10,942.24, 16,420.64 and 5,099.44 is: 7,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.24 : 16,420.64 = 5,099.44 : x
  2. Step 2: Convert to fraction form
    10,942.24/16,420.64 = 5,099.44/x
  3. Step 3: Cross multiply
    10,942.24x = 16,420.64 × 5,099.44
  4. Step 4: Simplify right side
    10,942.24x = 83,736,068.44
  5. Step 5: Solve for x
    x = 83,736,068.44/10,942.24
  6. Step 6: Final answer
    x = 7,652.55

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1.5x scale

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.