Home / 13,375.72-20,063.10-5,055.40

Finding the Fourth Proportional to 13,375.72, 20,063.10 and 5,055.40

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Solution

The fourth proportional to 13,375.72, 20,063.10 and 5,055.40 is: 7,582.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.72 : 20,063.10 = 5,055.40 : x
  2. Step 2: Convert to fraction form
    13,375.72/20,063.10 = 5,055.40/x
  3. Step 3: Cross multiply
    13,375.72x = 20,063.10 × 5,055.40
  4. Step 4: Simplify right side
    13,375.72x = 101,426,995.74
  5. Step 5: Solve for x
    x = 101,426,995.74/13,375.72
  6. Step 6: Final answer
    x = 7,582.92

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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.