Home / 13,719.83-20,572.83-6,700.37

Finding the Fourth Proportional to 13,719.83, 20,572.83 and 6,700.37

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Solution

The fourth proportional to 13,719.83, 20,572.83 and 6,700.37 is: 10,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,719.83 : 20,572.83 = 6,700.37 : x
  2. Step 2: Convert to fraction form
    13,719.83/20,572.83 = 6,700.37/x
  3. Step 3: Cross multiply
    13,719.83x = 20,572.83 × 6,700.37
  4. Step 4: Simplify right side
    13,719.83x = 137,845,470.08
  5. Step 5: Solve for x
    x = 137,845,470.08/13,719.83
  6. Step 6: Final answer
    x = 10,047.17

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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.