Home / 13,711.04-20,558.26-6,677.20

Finding the Fourth Proportional to 13,711.04, 20,558.26 and 6,677.20

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Solution

The fourth proportional to 13,711.04, 20,558.26 and 6,677.20 is: 10,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.04 : 20,558.26 = 6,677.20 : x
  2. Step 2: Convert to fraction form
    13,711.04/20,558.26 = 6,677.20/x
  3. Step 3: Cross multiply
    13,711.04x = 20,558.26 × 6,677.20
  4. Step 4: Simplify right side
    13,711.04x = 137,271,613.67
  5. Step 5: Solve for x
    x = 137,271,613.67/13,711.04
  6. Step 6: Final answer
    x = 10,011.76

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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.