Home / 11,903.33-16,428.62-6,866.64

Finding the Fourth Proportional to 11,903.33, 16,428.62 and 6,866.64

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Solution

The fourth proportional to 11,903.33, 16,428.62 and 6,866.64 is: 9,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,903.33 : 16,428.62 = 6,866.64 : x
  2. Step 2: Convert to fraction form
    11,903.33/16,428.62 = 6,866.64/x
  3. Step 3: Cross multiply
    11,903.33x = 16,428.62 × 6,866.64
  4. Step 4: Simplify right side
    11,903.33x = 112,809,384.90
  5. Step 5: Solve for x
    x = 112,809,384.90/11,903.33
  6. Step 6: Final answer
    x = 9,477.13

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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.