Home / 13,601.30-20,409.75-6,103.98

Finding the Fourth Proportional to 13,601.30, 20,409.75 and 6,103.98

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Solution

The fourth proportional to 13,601.30, 20,409.75 and 6,103.98 is: 9,159.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.30 : 20,409.75 = 6,103.98 : x
  2. Step 2: Convert to fraction form
    13,601.30/20,409.75 = 6,103.98/x
  3. Step 3: Cross multiply
    13,601.30x = 20,409.75 × 6,103.98
  4. Step 4: Simplify right side
    13,601.30x = 124,580,705.81
  5. Step 5: Solve for x
    x = 124,580,705.81/13,601.30
  6. Step 6: Final answer
    x = 9,159.47

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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.