Home / 11,733.19-16,191.80-7,018.58

Finding the Fourth Proportional to 11,733.19, 16,191.80 and 7,018.58

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Solution

The fourth proportional to 11,733.19, 16,191.80 and 7,018.58 is: 9,685.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,733.19 : 16,191.80 = 7,018.58 : x
  2. Step 2: Convert to fraction form
    11,733.19/16,191.80 = 7,018.58/x
  3. Step 3: Cross multiply
    11,733.19x = 16,191.80 × 7,018.58
  4. Step 4: Simplify right side
    11,733.19x = 113,643,475.35
  5. Step 5: Solve for x
    x = 113,643,475.35/11,733.19
  6. Step 6: Final answer
    x = 9,685.64

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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.