Home / 16,905.84-23,330.72-11,230.80

Finding the Fourth Proportional to 16,905.84, 23,330.72 and 11,230.80

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Solution

The fourth proportional to 16,905.84, 23,330.72 and 11,230.80 is: 15,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.84 : 23,330.72 = 11,230.80 : x
  2. Step 2: Convert to fraction form
    16,905.84/23,330.72 = 11,230.80/x
  3. Step 3: Cross multiply
    16,905.84x = 23,330.72 × 11,230.80
  4. Step 4: Simplify right side
    16,905.84x = 262,022,650.18
  5. Step 5: Solve for x
    x = 262,022,650.18/16,905.84
  6. Step 6: Final answer
    x = 15,498.94

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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.