Home / 15,137.30-22,699.47-4,749.86

Finding the Fourth Proportional to 15,137.30, 22,699.47 and 4,749.86

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Solution

The fourth proportional to 15,137.30, 22,699.47 and 4,749.86 is: 7,122.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,137.30 : 22,699.47 = 4,749.86 : x
  2. Step 2: Convert to fraction form
    15,137.30/22,699.47 = 4,749.86/x
  3. Step 3: Cross multiply
    15,137.30x = 22,699.47 × 4,749.86
  4. Step 4: Simplify right side
    15,137.30x = 107,819,304.57
  5. Step 5: Solve for x
    x = 107,819,304.57/15,137.30
  6. Step 6: Final answer
    x = 7,122.76

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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.