Home / 22,115.67-30,466.02-16,440.60

Finding the Fourth Proportional to 22,115.67, 30,466.02 and 16,440.60

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Solution

The fourth proportional to 22,115.67, 30,466.02 and 16,440.60 is: 22,648.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.67 : 30,466.02 = 16,440.60 : x
  2. Step 2: Convert to fraction form
    22,115.67/30,466.02 = 16,440.60/x
  3. Step 3: Cross multiply
    22,115.67x = 30,466.02 × 16,440.60
  4. Step 4: Simplify right side
    22,115.67x = 500,879,824.31
  5. Step 5: Solve for x
    x = 500,879,824.31/22,115.67
  6. Step 6: Final answer
    x = 22,648.19

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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.