Home / 11,111.11-16,656.93-4,180.75

Finding the Fourth Proportional to 11,111.11, 16,656.93 and 4,180.75

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Solution

The fourth proportional to 11,111.11, 16,656.93 and 4,180.75 is: 6,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.11 : 16,656.93 = 4,180.75 : x
  2. Step 2: Convert to fraction form
    11,111.11/16,656.93 = 4,180.75/x
  3. Step 3: Cross multiply
    11,111.11x = 16,656.93 × 4,180.75
  4. Step 4: Simplify right side
    11,111.11x = 69,638,460.10
  5. Step 5: Solve for x
    x = 69,638,460.10/11,111.11
  6. Step 6: Final answer
    x = 6,267.46

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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.