Home / 15,628.76-23,405.60-8,945

Finding the Fourth Proportional to 15,628.76, 23,405.60 and 8,945

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Solution

The fourth proportional to 15,628.76, 23,405.60 and 8,945 is: 13,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.76 : 23,405.60 = 8,945 : x
  2. Step 2: Convert to fraction form
    15,628.76/23,405.60 = 8,945/x
  3. Step 3: Cross multiply
    15,628.76x = 23,405.60 × 8,945
  4. Step 4: Simplify right side
    15,628.76x = 209,363,092
  5. Step 5: Solve for x
    x = 209,363,092/15,628.76
  6. Step 6: Final answer
    x = 13,396.01

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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.