Home / 18,102.51-27,157.39-6,256.72

Finding the Fourth Proportional to 18,102.51, 27,157.39 and 6,256.72

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Solution

The fourth proportional to 18,102.51, 27,157.39 and 6,256.72 is: 9,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.51 : 27,157.39 = 6,256.72 : x
  2. Step 2: Convert to fraction form
    18,102.51/27,157.39 = 6,256.72/x
  3. Step 3: Cross multiply
    18,102.51x = 27,157.39 × 6,256.72
  4. Step 4: Simplify right side
    18,102.51x = 169,916,185.16
  5. Step 5: Solve for x
    x = 169,916,185.16/18,102.51
  6. Step 6: Final answer
    x = 9,386.33

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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.