Home / 11,931.77-17,900.89-4,141.19

Finding the Fourth Proportional to 11,931.77, 17,900.89 and 4,141.19

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Solution

The fourth proportional to 11,931.77, 17,900.89 and 4,141.19 is: 6,212.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,931.77 : 17,900.89 = 4,141.19 : x
  2. Step 2: Convert to fraction form
    11,931.77/17,900.89 = 4,141.19/x
  3. Step 3: Cross multiply
    11,931.77x = 17,900.89 × 4,141.19
  4. Step 4: Simplify right side
    11,931.77x = 74,130,986.66
  5. Step 5: Solve for x
    x = 74,130,986.66/11,931.77
  6. Step 6: Final answer
    x = 6,212.91

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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.