Home / 9,361.17-12,918.23-5,382.35

Finding the Fourth Proportional to 9,361.17, 12,918.23 and 5,382.35

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Solution

The fourth proportional to 9,361.17, 12,918.23 and 5,382.35 is: 7,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.17 : 12,918.23 = 5,382.35 : x
  2. Step 2: Convert to fraction form
    9,361.17/12,918.23 = 5,382.35/x
  3. Step 3: Cross multiply
    9,361.17x = 12,918.23 × 5,382.35
  4. Step 4: Simplify right side
    9,361.17x = 69,530,442.64
  5. Step 5: Solve for x
    x = 69,530,442.64/9,361.17
  6. Step 6: Final answer
    x = 7,427.54

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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.