Home / 10,913.10-16,369.68-4,339.24

Finding the Fourth Proportional to 10,913.10, 16,369.68 and 4,339.24

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Solution

The fourth proportional to 10,913.10, 16,369.68 and 4,339.24 is: 6,508.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.10 : 16,369.68 = 4,339.24 : x
  2. Step 2: Convert to fraction form
    10,913.10/16,369.68 = 4,339.24/x
  3. Step 3: Cross multiply
    10,913.10x = 16,369.68 × 4,339.24
  4. Step 4: Simplify right side
    10,913.10x = 71,031,970.24
  5. Step 5: Solve for x
    x = 71,031,970.24/10,913.10
  6. Step 6: Final answer
    x = 6,508.87

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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.