Home / 22,116.66-30,520.53-12,045.28

Finding the Fourth Proportional to 22,116.66, 30,520.53 and 12,045.28

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Solution

The fourth proportional to 22,116.66, 30,520.53 and 12,045.28 is: 16,622.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,116.66 : 30,520.53 = 12,045.28 : x
  2. Step 2: Convert to fraction form
    22,116.66/30,520.53 = 12,045.28/x
  3. Step 3: Cross multiply
    22,116.66x = 30,520.53 × 12,045.28
  4. Step 4: Simplify right side
    22,116.66x = 367,628,253.30
  5. Step 5: Solve for x
    x = 367,628,253.30/22,116.66
  6. Step 6: Final answer
    x = 16,622.23

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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.