Home / 11,961.37-16,506.08-9,130.73

Finding the Fourth Proportional to 11,961.37, 16,506.08 and 9,130.73

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Solution

The fourth proportional to 11,961.37, 16,506.08 and 9,130.73 is: 12,599.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,961.37 : 16,506.08 = 9,130.73 : x
  2. Step 2: Convert to fraction form
    11,961.37/16,506.08 = 9,130.73/x
  3. Step 3: Cross multiply
    11,961.37x = 16,506.08 × 9,130.73
  4. Step 4: Simplify right side
    11,961.37x = 150,712,465.89
  5. Step 5: Solve for x
    x = 150,712,465.89/11,961.37
  6. Step 6: Final answer
    x = 12,599.93

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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.