Home / 11,953.58-16,491.20-7,173.70

Finding the Fourth Proportional to 11,953.58, 16,491.20 and 7,173.70

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Solution

The fourth proportional to 11,953.58, 16,491.20 and 7,173.70 is: 9,896.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.58 : 16,491.20 = 7,173.70 : x
  2. Step 2: Convert to fraction form
    11,953.58/16,491.20 = 7,173.70/x
  3. Step 3: Cross multiply
    11,953.58x = 16,491.20 × 7,173.70
  4. Step 4: Simplify right side
    11,953.58x = 118,302,844.34
  5. Step 5: Solve for x
    x = 118,302,844.34/11,953.58
  6. Step 6: Final answer
    x = 9,896.86

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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.