Home / 10,858.50-16,287.75-3,933

Finding the Fourth Proportional to 10,858.50, 16,287.75 and 3,933

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Solution

The fourth proportional to 10,858.50, 16,287.75 and 3,933 is: 5,899.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.50 : 16,287.75 = 3,933 : x
  2. Step 2: Convert to fraction form
    10,858.50/16,287.75 = 3,933/x
  3. Step 3: Cross multiply
    10,858.50x = 16,287.75 × 3,933
  4. Step 4: Simplify right side
    10,858.50x = 64,059,720.75
  5. Step 5: Solve for x
    x = 64,059,720.75/10,858.50
  6. Step 6: Final answer
    x = 5,899.50

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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.