Home / 11,548.16-15,935.68-6,512.32

Finding the Fourth Proportional to 11,548.16, 15,935.68 and 6,512.32

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Solution

The fourth proportional to 11,548.16, 15,935.68 and 6,512.32 is: 8,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.16 : 15,935.68 = 6,512.32 : x
  2. Step 2: Convert to fraction form
    11,548.16/15,935.68 = 6,512.32/x
  3. Step 3: Cross multiply
    11,548.16x = 15,935.68 × 6,512.32
  4. Step 4: Simplify right side
    11,548.16x = 103,778,247.58
  5. Step 5: Solve for x
    x = 103,778,247.58/11,548.16
  6. Step 6: Final answer
    x = 8,986.56

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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.