Home / 13,378.03-20,056.08-5,053.31

Finding the Fourth Proportional to 13,378.03, 20,056.08 and 5,053.31

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Solution

The fourth proportional to 13,378.03, 20,056.08 and 5,053.31 is: 7,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,378.03 : 20,056.08 = 5,053.31 : x
  2. Step 2: Convert to fraction form
    13,378.03/20,056.08 = 5,053.31/x
  3. Step 3: Cross multiply
    13,378.03x = 20,056.08 × 5,053.31
  4. Step 4: Simplify right side
    13,378.03x = 101,349,589.62
  5. Step 5: Solve for x
    x = 101,349,589.62/13,378.03
  6. Step 6: Final answer
    x = 7,575.82

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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.