Home / 13,018.29-17,965.23-7,049.96

Finding the Fourth Proportional to 13,018.29, 17,965.23 and 7,049.96

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Solution

The fourth proportional to 13,018.29, 17,965.23 and 7,049.96 is: 9,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.29 : 17,965.23 = 7,049.96 : x
  2. Step 2: Convert to fraction form
    13,018.29/17,965.23 = 7,049.96/x
  3. Step 3: Cross multiply
    13,018.29x = 17,965.23 × 7,049.96
  4. Step 4: Simplify right side
    13,018.29x = 126,654,027.81
  5. Step 5: Solve for x
    x = 126,654,027.81/13,018.29
  6. Step 6: Final answer
    x = 9,728.93

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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.