Home / 17,086.70-25,581.45-13,166.30

Finding the Fourth Proportional to 17,086.70, 25,581.45 and 13,166.30

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Solution

The fourth proportional to 17,086.70, 25,581.45 and 13,166.30 is: 19,712.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.70 : 25,581.45 = 13,166.30 : x
  2. Step 2: Convert to fraction form
    17,086.70/25,581.45 = 13,166.30/x
  3. Step 3: Cross multiply
    17,086.70x = 25,581.45 × 13,166.30
  4. Step 4: Simplify right side
    17,086.70x = 336,813,045.14
  5. Step 5: Solve for x
    x = 336,813,045.14/17,086.70
  6. Step 6: Final answer
    x = 19,712.00

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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.