Home / 12,282.48-16,908.32-11,099.84

Finding the Fourth Proportional to 12,282.48, 16,908.32 and 11,099.84

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Solution

The fourth proportional to 12,282.48, 16,908.32 and 11,099.84 is: 15,280.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,282.48 : 16,908.32 = 11,099.84 : x
  2. Step 2: Convert to fraction form
    12,282.48/16,908.32 = 11,099.84/x
  3. Step 3: Cross multiply
    12,282.48x = 16,908.32 × 11,099.84
  4. Step 4: Simplify right side
    12,282.48x = 187,679,646.67
  5. Step 5: Solve for x
    x = 187,679,646.67/12,282.48
  6. Step 6: Final answer
    x = 15,280.27

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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.