Home / 16,135.02-22,262.42-9,416.81

Finding the Fourth Proportional to 16,135.02, 22,262.42 and 9,416.81

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Solution

The fourth proportional to 16,135.02, 22,262.42 and 9,416.81 is: 12,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,135.02 : 22,262.42 = 9,416.81 : x
  2. Step 2: Convert to fraction form
    16,135.02/22,262.42 = 9,416.81/x
  3. Step 3: Cross multiply
    16,135.02x = 22,262.42 × 9,416.81
  4. Step 4: Simplify right side
    16,135.02x = 209,640,820.88
  5. Step 5: Solve for x
    x = 209,640,820.88/16,135.02
  6. Step 6: Final answer
    x = 12,992.91

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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.