Home / 13,493.08-20,230.38-6,913.96

Finding the Fourth Proportional to 13,493.08, 20,230.38 and 6,913.96

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Solution

The fourth proportional to 13,493.08, 20,230.38 and 6,913.96 is: 10,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,493.08 : 20,230.38 = 6,913.96 : x
  2. Step 2: Convert to fraction form
    13,493.08/20,230.38 = 6,913.96/x
  3. Step 3: Cross multiply
    13,493.08x = 20,230.38 × 6,913.96
  4. Step 4: Simplify right side
    13,493.08x = 139,872,038.10
  5. Step 5: Solve for x
    x = 139,872,038.10/13,493.08
  6. Step 6: Final answer
    x = 10,366.21

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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.