Home / 15,131.06-22,697.20-5,271.34

Finding the Fourth Proportional to 15,131.06, 22,697.20 and 5,271.34

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Solution

The fourth proportional to 15,131.06, 22,697.20 and 5,271.34 is: 7,907.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.06 : 22,697.20 = 5,271.34 : x
  2. Step 2: Convert to fraction form
    15,131.06/22,697.20 = 5,271.34/x
  3. Step 3: Cross multiply
    15,131.06x = 22,697.20 × 5,271.34
  4. Step 4: Simplify right side
    15,131.06x = 119,644,518.41
  5. Step 5: Solve for x
    x = 119,644,518.41/15,131.06
  6. Step 6: Final answer
    x = 7,907.21

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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.