Home / 11,873.93-16,386.30-6,839.37

Finding the Fourth Proportional to 11,873.93, 16,386.30 and 6,839.37

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Solution

The fourth proportional to 11,873.93, 16,386.30 and 6,839.37 is: 9,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.93 : 16,386.30 = 6,839.37 : x
  2. Step 2: Convert to fraction form
    11,873.93/16,386.30 = 6,839.37/x
  3. Step 3: Cross multiply
    11,873.93x = 16,386.30 × 6,839.37
  4. Step 4: Simplify right side
    11,873.93x = 112,071,968.63
  5. Step 5: Solve for x
    x = 112,071,968.63/11,873.93
  6. Step 6: Final answer
    x = 9,438.49

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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.