Home / 12,071.74-16,658.90-6,766.54

Finding the Fourth Proportional to 12,071.74, 16,658.90 and 6,766.54

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Solution

The fourth proportional to 12,071.74, 16,658.90 and 6,766.54 is: 9,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.74 : 16,658.90 = 6,766.54 : x
  2. Step 2: Convert to fraction form
    12,071.74/16,658.90 = 6,766.54/x
  3. Step 3: Cross multiply
    12,071.74x = 16,658.90 × 6,766.54
  4. Step 4: Simplify right side
    12,071.74x = 112,723,113.21
  5. Step 5: Solve for x
    x = 112,723,113.21/12,071.74
  6. Step 6: Final answer
    x = 9,337.77

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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.