Home / 11,672.06-16,107.85-6,636.50

Finding the Fourth Proportional to 11,672.06, 16,107.85 and 6,636.50

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Solution

The fourth proportional to 11,672.06, 16,107.85 and 6,636.50 is: 9,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,672.06 : 16,107.85 = 6,636.50 : x
  2. Step 2: Convert to fraction form
    11,672.06/16,107.85 = 6,636.50/x
  3. Step 3: Cross multiply
    11,672.06x = 16,107.85 × 6,636.50
  4. Step 4: Simplify right side
    11,672.06x = 106,899,746.53
  5. Step 5: Solve for x
    x = 106,899,746.53/11,672.06
  6. Step 6: Final answer
    x = 9,158.60

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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.