Home / 11,552.40-15,928.92-8,018.64

Finding the Fourth Proportional to 11,552.40, 15,928.92 and 8,018.64

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Solution

The fourth proportional to 11,552.40, 15,928.92 and 8,018.64 is: 11,056.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,552.40 : 15,928.92 = 8,018.64 : x
  2. Step 2: Convert to fraction form
    11,552.40/15,928.92 = 8,018.64/x
  3. Step 3: Cross multiply
    11,552.40x = 15,928.92 × 8,018.64
  4. Step 4: Simplify right side
    11,552.40x = 127,728,275.07
  5. Step 5: Solve for x
    x = 127,728,275.07/11,552.40
  6. Step 6: Final answer
    x = 11,056.43

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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.