Home / 12,238.80-16,888.93-6,933.63

Finding the Fourth Proportional to 12,238.80, 16,888.93 and 6,933.63

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Solution

The fourth proportional to 12,238.80, 16,888.93 and 6,933.63 is: 9,568.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238.80 : 16,888.93 = 6,933.63 : x
  2. Step 2: Convert to fraction form
    12,238.80/16,888.93 = 6,933.63/x
  3. Step 3: Cross multiply
    12,238.80x = 16,888.93 × 6,933.63
  4. Step 4: Simplify right side
    12,238.80x = 117,101,591.72
  5. Step 5: Solve for x
    x = 117,101,591.72/12,238.80
  6. Step 6: Final answer
    x = 9,568.06

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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.