Home / 11,931.23-16,464.33-6,625.67

Finding the Fourth Proportional to 11,931.23, 16,464.33 and 6,625.67

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Solution

The fourth proportional to 11,931.23, 16,464.33 and 6,625.67 is: 9,142.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.23 : 16,464.33 = 6,625.67 : x
  2. Step 2: Convert to fraction form
    11,931.23/16,464.33 = 6,625.67/x
  3. Step 3: Cross multiply
    11,931.23x = 16,464.33 × 6,625.67
  4. Step 4: Simplify right side
    11,931.23x = 109,087,135.03
  5. Step 5: Solve for x
    x = 109,087,135.03/11,931.23
  6. Step 6: Final answer
    x = 9,142.99

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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.