Home / 14,649.60-20,218.48-8,983.34

Finding the Fourth Proportional to 14,649.60, 20,218.48 and 8,983.34

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Solution

The fourth proportional to 14,649.60, 20,218.48 and 8,983.34 is: 12,398.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.60 : 20,218.48 = 8,983.34 : x
  2. Step 2: Convert to fraction form
    14,649.60/20,218.48 = 8,983.34/x
  3. Step 3: Cross multiply
    14,649.60x = 20,218.48 × 8,983.34
  4. Step 4: Simplify right side
    14,649.60x = 181,629,480.12
  5. Step 5: Solve for x
    x = 181,629,480.12/14,649.60
  6. Step 6: Final answer
    x = 12,398.26

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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.