Home / 13,402.66-20,089.80-4,509.53

Finding the Fourth Proportional to 13,402.66, 20,089.80 and 4,509.53

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Solution

The fourth proportional to 13,402.66, 20,089.80 and 4,509.53 is: 6,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,402.66 : 20,089.80 = 4,509.53 : x
  2. Step 2: Convert to fraction form
    13,402.66/20,089.80 = 4,509.53/x
  3. Step 3: Cross multiply
    13,402.66x = 20,089.80 × 4,509.53
  4. Step 4: Simplify right side
    13,402.66x = 90,595,555.79
  5. Step 5: Solve for x
    x = 90,595,555.79/13,402.66
  6. Step 6: Final answer
    x = 6,759.52

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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.