Home / 9,431.71-13,015.99-5,182.74

Finding the Fourth Proportional to 9,431.71, 13,015.99 and 5,182.74

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Solution

The fourth proportional to 9,431.71, 13,015.99 and 5,182.74 is: 7,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,431.71 : 13,015.99 = 5,182.74 : x
  2. Step 2: Convert to fraction form
    9,431.71/13,015.99 = 5,182.74/x
  3. Step 3: Cross multiply
    9,431.71x = 13,015.99 × 5,182.74
  4. Step 4: Simplify right side
    9,431.71x = 67,458,504.97
  5. Step 5: Solve for x
    x = 67,458,504.97/9,431.71
  6. Step 6: Final answer
    x = 7,152.31

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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.