Home / 15,455.06-23,163.58-7,123.51

Finding the Fourth Proportional to 15,455.06, 23,163.58 and 7,123.51

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Solution

The fourth proportional to 15,455.06, 23,163.58 and 7,123.51 is: 10,676.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.06 : 23,163.58 = 7,123.51 : x
  2. Step 2: Convert to fraction form
    15,455.06/23,163.58 = 7,123.51/x
  3. Step 3: Cross multiply
    15,455.06x = 23,163.58 × 7,123.51
  4. Step 4: Simplify right side
    15,455.06x = 165,005,918.05
  5. Step 5: Solve for x
    x = 165,005,918.05/15,455.06
  6. Step 6: Final answer
    x = 10,676.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.