Home / 11,272.32-16,889.06-7,470.63

Finding the Fourth Proportional to 11,272.32, 16,889.06 and 7,470.63

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Solution

The fourth proportional to 11,272.32, 16,889.06 and 7,470.63 is: 11,193.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,272.32 : 16,889.06 = 7,470.63 : x
  2. Step 2: Convert to fraction form
    11,272.32/16,889.06 = 7,470.63/x
  3. Step 3: Cross multiply
    11,272.32x = 16,889.06 × 7,470.63
  4. Step 4: Simplify right side
    11,272.32x = 126,171,936.98
  5. Step 5: Solve for x
    x = 126,171,936.98/11,272.32
  6. Step 6: Final answer
    x = 11,193.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.