Home / 12,853.23-17,735.43-7,476.87

Finding the Fourth Proportional to 12,853.23, 17,735.43 and 7,476.87

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Solution

The fourth proportional to 12,853.23, 17,735.43 and 7,476.87 is: 10,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.23 : 17,735.43 = 7,476.87 : x
  2. Step 2: Convert to fraction form
    12,853.23/17,735.43 = 7,476.87/x
  3. Step 3: Cross multiply
    12,853.23x = 17,735.43 × 7,476.87
  4. Step 4: Simplify right side
    12,853.23x = 132,605,504.50
  5. Step 5: Solve for x
    x = 132,605,504.50/12,853.23
  6. Step 6: Final answer
    x = 10,316.90

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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.