Home / 18,659.41-27,998.09-11,637.63

Finding the Fourth Proportional to 18,659.41, 27,998.09 and 11,637.63

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Solution

The fourth proportional to 18,659.41, 27,998.09 and 11,637.63 is: 17,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,659.41 : 27,998.09 = 11,637.63 : x
  2. Step 2: Convert to fraction form
    18,659.41/27,998.09 = 11,637.63/x
  3. Step 3: Cross multiply
    18,659.41x = 27,998.09 × 11,637.63
  4. Step 4: Simplify right side
    18,659.41x = 325,831,412.13
  5. Step 5: Solve for x
    x = 325,831,412.13/18,659.41
  6. Step 6: Final answer
    x = 17,462.04

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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.