Home / 13,738.19-20,607.24-4,971.02

Finding the Fourth Proportional to 13,738.19, 20,607.24 and 4,971.02

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Solution

The fourth proportional to 13,738.19, 20,607.24 and 4,971.02 is: 7,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.19 : 20,607.24 = 4,971.02 : x
  2. Step 2: Convert to fraction form
    13,738.19/20,607.24 = 4,971.02/x
  3. Step 3: Cross multiply
    13,738.19x = 20,607.24 × 4,971.02
  4. Step 4: Simplify right side
    13,738.19x = 102,439,002.18
  5. Step 5: Solve for x
    x = 102,439,002.18/13,738.19
  6. Step 6: Final answer
    x = 7,456.51

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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.