Home / 19,325.28-26,659.44-13,661.04

Finding the Fourth Proportional to 19,325.28, 26,659.44 and 13,661.04

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Solution

The fourth proportional to 19,325.28, 26,659.44 and 13,661.04 is: 18,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.28 : 26,659.44 = 13,661.04 : x
  2. Step 2: Convert to fraction form
    19,325.28/26,659.44 = 13,661.04/x
  3. Step 3: Cross multiply
    19,325.28x = 26,659.44 × 13,661.04
  4. Step 4: Simplify right side
    19,325.28x = 364,195,676.22
  5. Step 5: Solve for x
    x = 364,195,676.22/19,325.28
  6. Step 6: Final answer
    x = 18,845.56

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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.