Home / 15,623.83-23,435.84-6,389.83

Finding the Fourth Proportional to 15,623.83, 23,435.84 and 6,389.83

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Solution

The fourth proportional to 15,623.83, 23,435.84 and 6,389.83 is: 9,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.83 : 23,435.84 = 6,389.83 : x
  2. Step 2: Convert to fraction form
    15,623.83/23,435.84 = 6,389.83/x
  3. Step 3: Cross multiply
    15,623.83x = 23,435.84 × 6,389.83
  4. Step 4: Simplify right side
    15,623.83x = 149,751,033.51
  5. Step 5: Solve for x
    x = 149,751,033.51/15,623.83
  6. Step 6: Final answer
    x = 9,584.78

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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.