Home / 15,628.68-23,435.93-6,739.80

Finding the Fourth Proportional to 15,628.68, 23,435.93 and 6,739.80

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Solution

The fourth proportional to 15,628.68, 23,435.93 and 6,739.80 is: 10,106.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.68 : 23,435.93 = 6,739.80 : x
  2. Step 2: Convert to fraction form
    15,628.68/23,435.93 = 6,739.80/x
  3. Step 3: Cross multiply
    15,628.68x = 23,435.93 × 6,739.80
  4. Step 4: Simplify right side
    15,628.68x = 157,953,556.83
  5. Step 5: Solve for x
    x = 157,953,556.83/15,628.68
  6. Step 6: Final answer
    x = 10,106.65

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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.