Home / 12,649.41-18,959.90-4,744.26

Finding the Fourth Proportional to 12,649.41, 18,959.90 and 4,744.26

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Solution

The fourth proportional to 12,649.41, 18,959.90 and 4,744.26 is: 7,111.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,649.41 : 18,959.90 = 4,744.26 : x
  2. Step 2: Convert to fraction form
    12,649.41/18,959.90 = 4,744.26/x
  3. Step 3: Cross multiply
    12,649.41x = 18,959.90 × 4,744.26
  4. Step 4: Simplify right side
    12,649.41x = 89,950,671.45
  5. Step 5: Solve for x
    x = 89,950,671.45/12,649.41
  6. Step 6: Final answer
    x = 7,111.06

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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.