Home / 13,501.31-20,251.93-4,738.73

Finding the Fourth Proportional to 13,501.31, 20,251.93 and 4,738.73

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Solution

The fourth proportional to 13,501.31, 20,251.93 and 4,738.73 is: 7,108.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.31 : 20,251.93 = 4,738.73 : x
  2. Step 2: Convert to fraction form
    13,501.31/20,251.93 = 4,738.73/x
  3. Step 3: Cross multiply
    13,501.31x = 20,251.93 × 4,738.73
  4. Step 4: Simplify right side
    13,501.31x = 95,968,315.14
  5. Step 5: Solve for x
    x = 95,968,315.14/13,501.31
  6. Step 6: Final answer
    x = 7,108.08

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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.