Home / 17,618.70-24,313.28-9,660.80

Finding the Fourth Proportional to 17,618.70, 24,313.28 and 9,660.80

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Solution

The fourth proportional to 17,618.70, 24,313.28 and 9,660.80 is: 13,331.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.70 : 24,313.28 = 9,660.80 : x
  2. Step 2: Convert to fraction form
    17,618.70/24,313.28 = 9,660.80/x
  3. Step 3: Cross multiply
    17,618.70x = 24,313.28 × 9,660.80
  4. Step 4: Simplify right side
    17,618.70x = 234,885,735.42
  5. Step 5: Solve for x
    x = 234,885,735.42/17,618.70
  6. Step 6: Final answer
    x = 13,331.62

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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.