Home / 13,161.08-19,729.46-4,836.51

Finding the Fourth Proportional to 13,161.08, 19,729.46 and 4,836.51

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Solution

The fourth proportional to 13,161.08, 19,729.46 and 4,836.51 is: 7,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.08 : 19,729.46 = 4,836.51 : x
  2. Step 2: Convert to fraction form
    13,161.08/19,729.46 = 4,836.51/x
  3. Step 3: Cross multiply
    13,161.08x = 19,729.46 × 4,836.51
  4. Step 4: Simplify right side
    13,161.08x = 95,421,706.40
  5. Step 5: Solve for x
    x = 95,421,706.40/13,161.08
  6. Step 6: Final answer
    x = 7,250.30

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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.