Home / 13,747.37-20,623.62-6,251.47

Finding the Fourth Proportional to 13,747.37, 20,623.62 and 6,251.47

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Solution

The fourth proportional to 13,747.37, 20,623.62 and 6,251.47 is: 9,378.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,747.37 : 20,623.62 = 6,251.47 : x
  2. Step 2: Convert to fraction form
    13,747.37/20,623.62 = 6,251.47/x
  3. Step 3: Cross multiply
    13,747.37x = 20,623.62 × 6,251.47
  4. Step 4: Simplify right side
    13,747.37x = 128,927,941.72
  5. Step 5: Solve for x
    x = 128,927,941.72/13,747.37
  6. Step 6: Final answer
    x = 9,378.37

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1.5x scale

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.