Home / 10,893.37-15,028.35-7,115.23

Finding the Fourth Proportional to 10,893.37, 15,028.35 and 7,115.23

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Solution

The fourth proportional to 10,893.37, 15,028.35 and 7,115.23 is: 9,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.37 : 15,028.35 = 7,115.23 : x
  2. Step 2: Convert to fraction form
    10,893.37/15,028.35 = 7,115.23/x
  3. Step 3: Cross multiply
    10,893.37x = 15,028.35 × 7,115.23
  4. Step 4: Simplify right side
    10,893.37x = 106,930,166.77
  5. Step 5: Solve for x
    x = 106,930,166.77/10,893.37
  6. Step 6: Final answer
    x = 9,816.08

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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.