Home / 15,128.22-22,709.34-6,370.50

Finding the Fourth Proportional to 15,128.22, 22,709.34 and 6,370.50

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Solution

The fourth proportional to 15,128.22, 22,709.34 and 6,370.50 is: 9,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.22 : 22,709.34 = 6,370.50 : x
  2. Step 2: Convert to fraction form
    15,128.22/22,709.34 = 6,370.50/x
  3. Step 3: Cross multiply
    15,128.22x = 22,709.34 × 6,370.50
  4. Step 4: Simplify right side
    15,128.22x = 144,669,850.47
  5. Step 5: Solve for x
    x = 144,669,850.47/15,128.22
  6. Step 6: Final answer
    x = 9,562.91

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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.