Home / 13,269.58-19,910.51-6,688.07

Finding the Fourth Proportional to 13,269.58, 19,910.51 and 6,688.07

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Solution

The fourth proportional to 13,269.58, 19,910.51 and 6,688.07 is: 10,035.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.58 : 19,910.51 = 6,688.07 : x
  2. Step 2: Convert to fraction form
    13,269.58/19,910.51 = 6,688.07/x
  3. Step 3: Cross multiply
    13,269.58x = 19,910.51 × 6,688.07
  4. Step 4: Simplify right side
    13,269.58x = 133,162,851.18
  5. Step 5: Solve for x
    x = 133,162,851.18/13,269.58
  6. Step 6: Final answer
    x = 10,035.20

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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.