Home / 10,836.63-14,955.44-6,121.80

Finding the Fourth Proportional to 10,836.63, 14,955.44 and 6,121.80

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Solution

The fourth proportional to 10,836.63, 14,955.44 and 6,121.80 is: 8,448.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,836.63 : 14,955.44 = 6,121.80 : x
  2. Step 2: Convert to fraction form
    10,836.63/14,955.44 = 6,121.80/x
  3. Step 3: Cross multiply
    10,836.63x = 14,955.44 × 6,121.80
  4. Step 4: Simplify right side
    10,836.63x = 91,554,181.98
  5. Step 5: Solve for x
    x = 91,554,181.98/10,836.63
  6. Step 6: Final answer
    x = 8,448.58

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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.