Home / 11,507.36-17,258.95-3,185.29

Finding the Fourth Proportional to 11,507.36, 17,258.95 and 3,185.29

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Solution

The fourth proportional to 11,507.36, 17,258.95 and 3,185.29 is: 4,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,507.36 : 17,258.95 = 3,185.29 : x
  2. Step 2: Convert to fraction form
    11,507.36/17,258.95 = 3,185.29/x
  3. Step 3: Cross multiply
    11,507.36x = 17,258.95 × 3,185.29
  4. Step 4: Simplify right side
    11,507.36x = 54,974,658.62
  5. Step 5: Solve for x
    x = 54,974,658.62/11,507.36
  6. Step 6: Final answer
    x = 4,777.35

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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.