Home / 13,043.08-19,555.96-4,722

Finding the Fourth Proportional to 13,043.08, 19,555.96 and 4,722

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Solution

The fourth proportional to 13,043.08, 19,555.96 and 4,722 is: 7,079.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.08 : 19,555.96 = 4,722 : x
  2. Step 2: Convert to fraction form
    13,043.08/19,555.96 = 4,722/x
  3. Step 3: Cross multiply
    13,043.08x = 19,555.96 × 4,722
  4. Step 4: Simplify right side
    13,043.08x = 92,343,243.12
  5. Step 5: Solve for x
    x = 92,343,243.12/13,043.08
  6. Step 6: Final answer
    x = 7,079.86

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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.