Home / 9,907.96-13,673.32-5,431.71

Finding the Fourth Proportional to 9,907.96, 13,673.32 and 5,431.71

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Solution

The fourth proportional to 9,907.96, 13,673.32 and 5,431.71 is: 7,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,907.96 : 13,673.32 = 5,431.71 : x
  2. Step 2: Convert to fraction form
    9,907.96/13,673.32 = 5,431.71/x
  3. Step 3: Cross multiply
    9,907.96x = 13,673.32 × 5,431.71
  4. Step 4: Simplify right side
    9,907.96x = 74,269,556.74
  5. Step 5: Solve for x
    x = 74,269,556.74/9,907.96
  6. Step 6: Final answer
    x = 7,495.95

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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.