Home / 13,040.34-17,995.55-7,376.19

Finding the Fourth Proportional to 13,040.34, 17,995.55 and 7,376.19

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Solution

The fourth proportional to 13,040.34, 17,995.55 and 7,376.19 is: 10,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.34 : 17,995.55 = 7,376.19 : x
  2. Step 2: Convert to fraction form
    13,040.34/17,995.55 = 7,376.19/x
  3. Step 3: Cross multiply
    13,040.34x = 17,995.55 × 7,376.19
  4. Step 4: Simplify right side
    13,040.34x = 132,738,601.73
  5. Step 5: Solve for x
    x = 132,738,601.73/13,040.34
  6. Step 6: Final answer
    x = 10,179.08

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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.