Home / 9,186.23-12,676.74-5,207.51

Finding the Fourth Proportional to 9,186.23, 12,676.74 and 5,207.51

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Solution

The fourth proportional to 9,186.23, 12,676.74 and 5,207.51 is: 7,186.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,186.23 : 12,676.74 = 5,207.51 : x
  2. Step 2: Convert to fraction form
    9,186.23/12,676.74 = 5,207.51/x
  3. Step 3: Cross multiply
    9,186.23x = 12,676.74 × 5,207.51
  4. Step 4: Simplify right side
    9,186.23x = 66,014,186.93
  5. Step 5: Solve for x
    x = 66,014,186.93/9,186.23
  6. Step 6: Final answer
    x = 7,186.21

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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.