Home / 13,913.89-20,873.27-6,122.50

Finding the Fourth Proportional to 13,913.89, 20,873.27 and 6,122.50

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Solution

The fourth proportional to 13,913.89, 20,873.27 and 6,122.50 is: 9,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.89 : 20,873.27 = 6,122.50 : x
  2. Step 2: Convert to fraction form
    13,913.89/20,873.27 = 6,122.50/x
  3. Step 3: Cross multiply
    13,913.89x = 20,873.27 × 6,122.50
  4. Step 4: Simplify right side
    13,913.89x = 127,796,595.58
  5. Step 5: Solve for x
    x = 127,796,595.58/13,913.89
  6. Step 6: Final answer
    x = 9,184.82

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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.