Home / 12,200.10-16,835.46-6,895.68

Finding the Fourth Proportional to 12,200.10, 16,835.46 and 6,895.68

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Solution

The fourth proportional to 12,200.10, 16,835.46 and 6,895.68 is: 9,515.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.10 : 16,835.46 = 6,895.68 : x
  2. Step 2: Convert to fraction form
    12,200.10/16,835.46 = 6,895.68/x
  3. Step 3: Cross multiply
    12,200.10x = 16,835.46 × 6,895.68
  4. Step 4: Simplify right side
    12,200.10x = 116,091,944.81
  5. Step 5: Solve for x
    x = 116,091,944.81/12,200.10
  6. Step 6: Final answer
    x = 9,515.66

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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.