Home / 13,780.22-20,658.64-5,466.10

Finding the Fourth Proportional to 13,780.22, 20,658.64 and 5,466.10

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Solution

The fourth proportional to 13,780.22, 20,658.64 and 5,466.10 is: 8,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780.22 : 20,658.64 = 5,466.10 : x
  2. Step 2: Convert to fraction form
    13,780.22/20,658.64 = 5,466.10/x
  3. Step 3: Cross multiply
    13,780.22x = 20,658.64 × 5,466.10
  4. Step 4: Simplify right side
    13,780.22x = 112,922,192.10
  5. Step 5: Solve for x
    x = 112,922,192.10/13,780.22
  6. Step 6: Final answer
    x = 8,194.51

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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.