Home / 11,111.40-16,625.40-6,652.68

Finding the Fourth Proportional to 11,111.40, 16,625.40 and 6,652.68

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Solution

The fourth proportional to 11,111.40, 16,625.40 and 6,652.68 is: 9,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.40 : 16,625.40 = 6,652.68 : x
  2. Step 2: Convert to fraction form
    11,111.40/16,625.40 = 6,652.68/x
  3. Step 3: Cross multiply
    11,111.40x = 16,625.40 × 6,652.68
  4. Step 4: Simplify right side
    11,111.40x = 110,603,466.07
  5. Step 5: Solve for x
    x = 110,603,466.07/11,111.40
  6. Step 6: Final answer
    x = 9,954.05

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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.