Home / 13,649.33-20,467.62-9,491.40

Finding the Fourth Proportional to 13,649.33, 20,467.62 and 9,491.40

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Solution

The fourth proportional to 13,649.33, 20,467.62 and 9,491.40 is: 14,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.33 : 20,467.62 = 9,491.40 : x
  2. Step 2: Convert to fraction form
    13,649.33/20,467.62 = 9,491.40/x
  3. Step 3: Cross multiply
    13,649.33x = 20,467.62 × 9,491.40
  4. Step 4: Simplify right side
    13,649.33x = 194,266,368.47
  5. Step 5: Solve for x
    x = 194,266,368.47/13,649.33
  6. Step 6: Final answer
    x = 14,232.66

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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.