Home / 12,136.36-16,742.58-8,773.84

Finding the Fourth Proportional to 12,136.36, 16,742.58 and 8,773.84

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Solution

The fourth proportional to 12,136.36, 16,742.58 and 8,773.84 is: 12,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.36 : 16,742.58 = 8,773.84 : x
  2. Step 2: Convert to fraction form
    12,136.36/16,742.58 = 8,773.84/x
  3. Step 3: Cross multiply
    12,136.36x = 16,742.58 × 8,773.84
  4. Step 4: Simplify right side
    12,136.36x = 146,896,718.11
  5. Step 5: Solve for x
    x = 146,896,718.11/12,136.36
  6. Step 6: Final answer
    x = 12,103.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.