Home / 13,160.61-19,750.44-5,156.57

Finding the Fourth Proportional to 13,160.61, 19,750.44 and 5,156.57

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Solution

The fourth proportional to 13,160.61, 19,750.44 and 5,156.57 is: 7,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,160.61 : 19,750.44 = 5,156.57 : x
  2. Step 2: Convert to fraction form
    13,160.61/19,750.44 = 5,156.57/x
  3. Step 3: Cross multiply
    13,160.61x = 19,750.44 × 5,156.57
  4. Step 4: Simplify right side
    13,160.61x = 101,844,526.39
  5. Step 5: Solve for x
    x = 101,844,526.39/13,160.61
  6. Step 6: Final answer
    x = 7,738.59

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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.