Home / 13,711.03-20,569.63-4,351.36

Finding the Fourth Proportional to 13,711.03, 20,569.63 and 4,351.36

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Solution

The fourth proportional to 13,711.03, 20,569.63 and 4,351.36 is: 6,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,711.03 : 20,569.63 = 4,351.36 : x
  2. Step 2: Convert to fraction form
    13,711.03/20,569.63 = 4,351.36/x
  3. Step 3: Cross multiply
    13,711.03x = 20,569.63 × 4,351.36
  4. Step 4: Simplify right side
    13,711.03x = 89,505,794.74
  5. Step 5: Solve for x
    x = 89,505,794.74/13,711.03
  6. Step 6: Final answer
    x = 6,528.01

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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.