Home / 13,009.02-19,514.70-3,649.14

Finding the Fourth Proportional to 13,009.02, 19,514.70 and 3,649.14

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Solution

The fourth proportional to 13,009.02, 19,514.70 and 3,649.14 is: 5,474.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,009.02 : 19,514.70 = 3,649.14 : x
  2. Step 2: Convert to fraction form
    13,009.02/19,514.70 = 3,649.14/x
  3. Step 3: Cross multiply
    13,009.02x = 19,514.70 × 3,649.14
  4. Step 4: Simplify right side
    13,009.02x = 71,211,872.36
  5. Step 5: Solve for x
    x = 71,211,872.36/13,009.02
  6. Step 6: Final answer
    x = 5,474.04

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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.