Home / 12,364.36-17,062.90-6,775.56

Finding the Fourth Proportional to 12,364.36, 17,062.90 and 6,775.56

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Solution

The fourth proportional to 12,364.36, 17,062.90 and 6,775.56 is: 9,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,364.36 : 17,062.90 = 6,775.56 : x
  2. Step 2: Convert to fraction form
    12,364.36/17,062.90 = 6,775.56/x
  3. Step 3: Cross multiply
    12,364.36x = 17,062.90 × 6,775.56
  4. Step 4: Simplify right side
    12,364.36x = 115,610,702.72
  5. Step 5: Solve for x
    x = 115,610,702.72/12,364.36
  6. Step 6: Final answer
    x = 9,350.32

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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.