Home / 12,146.19-16,762.62-6,768.99

Finding the Fourth Proportional to 12,146.19, 16,762.62 and 6,768.99

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Solution

The fourth proportional to 12,146.19, 16,762.62 and 6,768.99 is: 9,341.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146.19 : 16,762.62 = 6,768.99 : x
  2. Step 2: Convert to fraction form
    12,146.19/16,762.62 = 6,768.99/x
  3. Step 3: Cross multiply
    12,146.19x = 16,762.62 × 6,768.99
  4. Step 4: Simplify right side
    12,146.19x = 113,466,025.89
  5. Step 5: Solve for x
    x = 113,466,025.89/12,146.19
  6. Step 6: Final answer
    x = 9,341.69

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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.