Home / 9,146.16-13,697.37-8,686.89

Finding the Fourth Proportional to 9,146.16, 13,697.37 and 8,686.89

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Solution

The fourth proportional to 9,146.16, 13,697.37 and 8,686.89 is: 13,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.16 : 13,697.37 = 8,686.89 : x
  2. Step 2: Convert to fraction form
    9,146.16/13,697.37 = 8,686.89/x
  3. Step 3: Cross multiply
    9,146.16x = 13,697.37 × 8,686.89
  4. Step 4: Simplify right side
    9,146.16x = 118,987,546.48
  5. Step 5: Solve for x
    x = 118,987,546.48/9,146.16
  6. Step 6: Final answer
    x = 13,009.56

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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.