Home / 12,103.11-18,156.51-6,176.77

Finding the Fourth Proportional to 12,103.11, 18,156.51 and 6,176.77

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Solution

The fourth proportional to 12,103.11, 18,156.51 and 6,176.77 is: 9,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.11 : 18,156.51 = 6,176.77 : x
  2. Step 2: Convert to fraction form
    12,103.11/18,156.51 = 6,176.77/x
  3. Step 3: Cross multiply
    12,103.11x = 18,156.51 × 6,176.77
  4. Step 4: Simplify right side
    12,103.11x = 112,148,586.27
  5. Step 5: Solve for x
    x = 112,148,586.27/12,103.11
  6. Step 6: Final answer
    x = 9,266.10

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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.