Home / 11,165.84-16,742.66-7,216.54

Finding the Fourth Proportional to 11,165.84, 16,742.66 and 7,216.54

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Solution

The fourth proportional to 11,165.84, 16,742.66 and 7,216.54 is: 10,820.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.84 : 16,742.66 = 7,216.54 : x
  2. Step 2: Convert to fraction form
    11,165.84/16,742.66 = 7,216.54/x
  3. Step 3: Cross multiply
    11,165.84x = 16,742.66 × 7,216.54
  4. Step 4: Simplify right side
    11,165.84x = 120,824,075.60
  5. Step 5: Solve for x
    x = 120,824,075.60/11,165.84
  6. Step 6: Final answer
    x = 10,820.87

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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.