Home / 10,900.88-15,043.44-6,185.06

Finding the Fourth Proportional to 10,900.88, 15,043.44 and 6,185.06

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Solution

The fourth proportional to 10,900.88, 15,043.44 and 6,185.06 is: 8,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.88 : 15,043.44 = 6,185.06 : x
  2. Step 2: Convert to fraction form
    10,900.88/15,043.44 = 6,185.06/x
  3. Step 3: Cross multiply
    10,900.88x = 15,043.44 × 6,185.06
  4. Step 4: Simplify right side
    10,900.88x = 93,044,579.01
  5. Step 5: Solve for x
    x = 93,044,579.01/10,900.88
  6. Step 6: Final answer
    x = 8,535.51

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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.