Home / 13,211.92-19,816.87-4,888.02

Finding the Fourth Proportional to 13,211.92, 19,816.87 and 4,888.02

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Solution

The fourth proportional to 13,211.92, 19,816.87 and 4,888.02 is: 7,331.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.92 : 19,816.87 = 4,888.02 : x
  2. Step 2: Convert to fraction form
    13,211.92/19,816.87 = 4,888.02/x
  3. Step 3: Cross multiply
    13,211.92x = 19,816.87 × 4,888.02
  4. Step 4: Simplify right side
    13,211.92x = 96,865,256.90
  5. Step 5: Solve for x
    x = 96,865,256.90/13,211.92
  6. Step 6: Final answer
    x = 7,331.66

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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.