Home / 11,875.64-17,812.94-3,110.36

Finding the Fourth Proportional to 11,875.64, 17,812.94 and 3,110.36

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Solution

The fourth proportional to 11,875.64, 17,812.94 and 3,110.36 is: 4,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.64 : 17,812.94 = 3,110.36 : x
  2. Step 2: Convert to fraction form
    11,875.64/17,812.94 = 3,110.36/x
  3. Step 3: Cross multiply
    11,875.64x = 17,812.94 × 3,110.36
  4. Step 4: Simplify right side
    11,875.64x = 55,404,656.06
  5. Step 5: Solve for x
    x = 55,404,656.06/11,875.64
  6. Step 6: Final answer
    x = 4,665.40

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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.