Home / 18,982.35-28,483.74-7,896.69

Finding the Fourth Proportional to 18,982.35, 28,483.74 and 7,896.69

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Solution

The fourth proportional to 18,982.35, 28,483.74 and 7,896.69 is: 11,849.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.35 : 28,483.74 = 7,896.69 : x
  2. Step 2: Convert to fraction form
    18,982.35/28,483.74 = 7,896.69/x
  3. Step 3: Cross multiply
    18,982.35x = 28,483.74 × 7,896.69
  4. Step 4: Simplify right side
    18,982.35x = 224,927,264.82
  5. Step 5: Solve for x
    x = 224,927,264.82/18,982.35
  6. Step 6: Final answer
    x = 11,849.28

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1.5x scale

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.