Home / 9,129.03-12,599.36-5,150.50

Finding the Fourth Proportional to 9,129.03, 12,599.36 and 5,150.50

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Solution

The fourth proportional to 9,129.03, 12,599.36 and 5,150.50 is: 7,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.03 : 12,599.36 = 5,150.50 : x
  2. Step 2: Convert to fraction form
    9,129.03/12,599.36 = 5,150.50/x
  3. Step 3: Cross multiply
    9,129.03x = 12,599.36 × 5,150.50
  4. Step 4: Simplify right side
    9,129.03x = 64,893,003.68
  5. Step 5: Solve for x
    x = 64,893,003.68/9,129.03
  6. Step 6: Final answer
    x = 7,108.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.