Home / 15,775.75-23,656.70-5,908.11

Finding the Fourth Proportional to 15,775.75, 23,656.70 and 5,908.11

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Solution

The fourth proportional to 15,775.75, 23,656.70 and 5,908.11 is: 8,859.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,775.75 : 23,656.70 = 5,908.11 : x
  2. Step 2: Convert to fraction form
    15,775.75/23,656.70 = 5,908.11/x
  3. Step 3: Cross multiply
    15,775.75x = 23,656.70 × 5,908.11
  4. Step 4: Simplify right side
    15,775.75x = 139,766,356.30
  5. Step 5: Solve for x
    x = 139,766,356.30/15,775.75
  6. Step 6: Final answer
    x = 8,859.57

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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.