Home / 11,111.21-16,666.84-4,537.40

Finding the Fourth Proportional to 11,111.21, 16,666.84 and 4,537.40

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Solution

The fourth proportional to 11,111.21, 16,666.84 and 4,537.40 is: 6,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.21 : 16,666.84 = 4,537.40 : x
  2. Step 2: Convert to fraction form
    11,111.21/16,666.84 = 4,537.40/x
  3. Step 3: Cross multiply
    11,111.21x = 16,666.84 × 4,537.40
  4. Step 4: Simplify right side
    11,111.21x = 75,624,086.94
  5. Step 5: Solve for x
    x = 75,624,086.94/11,111.21
  6. Step 6: Final answer
    x = 6,806.11

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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.