Home / 20,649.44-30,974.10-5,858.36

Finding the Fourth Proportional to 20,649.44, 30,974.10 and 5,858.36

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Solution

The fourth proportional to 20,649.44, 30,974.10 and 5,858.36 is: 8,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,649.44 : 30,974.10 = 5,858.36 : x
  2. Step 2: Convert to fraction form
    20,649.44/30,974.10 = 5,858.36/x
  3. Step 3: Cross multiply
    20,649.44x = 30,974.10 × 5,858.36
  4. Step 4: Simplify right side
    20,649.44x = 181,457,428.48
  5. Step 5: Solve for x
    x = 181,457,428.48/20,649.44
  6. Step 6: Final answer
    x = 8,787.52

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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.