Home / 10,679.55-16,018.10-2,887.75

Finding the Fourth Proportional to 10,679.55, 16,018.10 and 2,887.75

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Solution

The fourth proportional to 10,679.55, 16,018.10 and 2,887.75 is: 4,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,679.55 : 16,018.10 = 2,887.75 : x
  2. Step 2: Convert to fraction form
    10,679.55/16,018.10 = 2,887.75/x
  3. Step 3: Cross multiply
    10,679.55x = 16,018.10 × 2,887.75
  4. Step 4: Simplify right side
    10,679.55x = 46,256,268.28
  5. Step 5: Solve for x
    x = 46,256,268.28/10,679.55
  6. Step 6: Final answer
    x = 4,331.29

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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.