Home / 11,322.07-16,983.09-9,640.55

Finding the Fourth Proportional to 11,322.07, 16,983.09 and 9,640.55

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Solution

The fourth proportional to 11,322.07, 16,983.09 and 9,640.55 is: 14,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.07 : 16,983.09 = 9,640.55 : x
  2. Step 2: Convert to fraction form
    11,322.07/16,983.09 = 9,640.55/x
  3. Step 3: Cross multiply
    11,322.07x = 16,983.09 × 9,640.55
  4. Step 4: Simplify right side
    11,322.07x = 163,726,370.76
  5. Step 5: Solve for x
    x = 163,726,370.76/11,322.07
  6. Step 6: Final answer
    x = 14,460.82

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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.