Home / 13,898.71-20,847.87-3,368.82

Finding the Fourth Proportional to 13,898.71, 20,847.87 and 3,368.82

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Solution

The fourth proportional to 13,898.71, 20,847.87 and 3,368.82 is: 5,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.71 : 20,847.87 = 3,368.82 : x
  2. Step 2: Convert to fraction form
    13,898.71/20,847.87 = 3,368.82/x
  3. Step 3: Cross multiply
    13,898.71x = 20,847.87 × 3,368.82
  4. Step 4: Simplify right side
    13,898.71x = 70,232,655.87
  5. Step 5: Solve for x
    x = 70,232,655.87/13,898.71
  6. Step 6: Final answer
    x = 5,053.18

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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.