Home / 9,036.36-12,474.54-6,218.64

Finding the Fourth Proportional to 9,036.36, 12,474.54 and 6,218.64

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Solution

The fourth proportional to 9,036.36, 12,474.54 and 6,218.64 is: 8,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.36 : 12,474.54 = 6,218.64 : x
  2. Step 2: Convert to fraction form
    9,036.36/12,474.54 = 6,218.64/x
  3. Step 3: Cross multiply
    9,036.36x = 12,474.54 × 6,218.64
  4. Step 4: Simplify right side
    9,036.36x = 77,574,673.43
  5. Step 5: Solve for x
    x = 77,574,673.43/9,036.36
  6. Step 6: Final answer
    x = 8,584.73

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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.