Home / 12,089.24-16,683.13-6,784.55

Finding the Fourth Proportional to 12,089.24, 16,683.13 and 6,784.55

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Solution

The fourth proportional to 12,089.24, 16,683.13 and 6,784.55 is: 9,362.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,089.24 : 16,683.13 = 6,784.55 : x
  2. Step 2: Convert to fraction form
    12,089.24/16,683.13 = 6,784.55/x
  3. Step 3: Cross multiply
    12,089.24x = 16,683.13 × 6,784.55
  4. Step 4: Simplify right side
    12,089.24x = 113,187,529.64
  5. Step 5: Solve for x
    x = 113,187,529.64/12,089.24
  6. Step 6: Final answer
    x = 9,362.67

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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.