Home / 13,957.59-20,938.48-4,095.71

Finding the Fourth Proportional to 13,957.59, 20,938.48 and 4,095.71

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Solution

The fourth proportional to 13,957.59, 20,938.48 and 4,095.71 is: 6,144.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,957.59 : 20,938.48 = 4,095.71 : x
  2. Step 2: Convert to fraction form
    13,957.59/20,938.48 = 4,095.71/x
  3. Step 3: Cross multiply
    13,957.59x = 20,938.48 × 4,095.71
  4. Step 4: Simplify right side
    13,957.59x = 85,757,826.99
  5. Step 5: Solve for x
    x = 85,757,826.99/13,957.59
  6. Step 6: Final answer
    x = 6,144.17

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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.