Home / 10,913.88-16,371.88-4,338.60

Finding the Fourth Proportional to 10,913.88, 16,371.88 and 4,338.60

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Solution

The fourth proportional to 10,913.88, 16,371.88 and 4,338.60 is: 6,508.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.88 : 16,371.88 = 4,338.60 : x
  2. Step 2: Convert to fraction form
    10,913.88/16,371.88 = 4,338.60/x
  3. Step 3: Cross multiply
    10,913.88x = 16,371.88 × 4,338.60
  4. Step 4: Simplify right side
    10,913.88x = 71,031,038.57
  5. Step 5: Solve for x
    x = 71,031,038.57/10,913.88
  6. Step 6: Final answer
    x = 6,508.32

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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.