Home / 11,883.64-16,392.85-7,635.34

Finding the Fourth Proportional to 11,883.64, 16,392.85 and 7,635.34

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Solution

The fourth proportional to 11,883.64, 16,392.85 and 7,635.34 is: 10,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,883.64 : 16,392.85 = 7,635.34 : x
  2. Step 2: Convert to fraction form
    11,883.64/16,392.85 = 7,635.34/x
  3. Step 3: Cross multiply
    11,883.64x = 16,392.85 × 7,635.34
  4. Step 4: Simplify right side
    11,883.64x = 125,164,983.32
  5. Step 5: Solve for x
    x = 125,164,983.32/11,883.64
  6. Step 6: Final answer
    x = 10,532.55

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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.