Home / 11,361.12-17,037.01-6,690.45

Finding the Fourth Proportional to 11,361.12, 17,037.01 and 6,690.45

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Solution

The fourth proportional to 11,361.12, 17,037.01 and 6,690.45 is: 10,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.12 : 17,037.01 = 6,690.45 : x
  2. Step 2: Convert to fraction form
    11,361.12/17,037.01 = 6,690.45/x
  3. Step 3: Cross multiply
    11,361.12x = 17,037.01 × 6,690.45
  4. Step 4: Simplify right side
    11,361.12x = 113,985,263.55
  5. Step 5: Solve for x
    x = 113,985,263.55/11,361.12
  6. Step 6: Final answer
    x = 10,032.92

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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.