Home / 11,150.94-15,388.32-6,305.40

Finding the Fourth Proportional to 11,150.94, 15,388.32 and 6,305.40

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Solution

The fourth proportional to 11,150.94, 15,388.32 and 6,305.40 is: 8,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,150.94 : 15,388.32 = 6,305.40 : x
  2. Step 2: Convert to fraction form
    11,150.94/15,388.32 = 6,305.40/x
  3. Step 3: Cross multiply
    11,150.94x = 15,388.32 × 6,305.40
  4. Step 4: Simplify right side
    11,150.94x = 97,029,512.93
  5. Step 5: Solve for x
    x = 97,029,512.93/11,150.94
  6. Step 6: Final answer
    x = 8,701.46

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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.