Home / 13,237.11-19,856.36-3,376.48

Finding the Fourth Proportional to 13,237.11, 19,856.36 and 3,376.48

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Solution

The fourth proportional to 13,237.11, 19,856.36 and 3,376.48 is: 5,064.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.11 : 19,856.36 = 3,376.48 : x
  2. Step 2: Convert to fraction form
    13,237.11/19,856.36 = 3,376.48/x
  3. Step 3: Cross multiply
    13,237.11x = 19,856.36 × 3,376.48
  4. Step 4: Simplify right side
    13,237.11x = 67,044,535.89
  5. Step 5: Solve for x
    x = 67,044,535.89/13,237.11
  6. Step 6: Final answer
    x = 5,064.89

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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.