Home / 13,913.86-20,869.98-4,559.98

Finding the Fourth Proportional to 13,913.86, 20,869.98 and 4,559.98

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Solution

The fourth proportional to 13,913.86, 20,869.98 and 4,559.98 is: 6,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.86 : 20,869.98 = 4,559.98 : x
  2. Step 2: Convert to fraction form
    13,913.86/20,869.98 = 4,559.98/x
  3. Step 3: Cross multiply
    13,913.86x = 20,869.98 × 4,559.98
  4. Step 4: Simplify right side
    13,913.86x = 95,166,691.40
  5. Step 5: Solve for x
    x = 95,166,691.40/13,913.86
  6. Step 6: Final answer
    x = 6,839.70

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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.