Home / 15,684.81-23,531.80-6,319.99

Finding the Fourth Proportional to 15,684.81, 23,531.80 and 6,319.99

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Solution

The fourth proportional to 15,684.81, 23,531.80 and 6,319.99 is: 9,481.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,684.81 : 23,531.80 = 6,319.99 : x
  2. Step 2: Convert to fraction form
    15,684.81/23,531.80 = 6,319.99/x
  3. Step 3: Cross multiply
    15,684.81x = 23,531.80 × 6,319.99
  4. Step 4: Simplify right side
    15,684.81x = 148,720,740.68
  5. Step 5: Solve for x
    x = 148,720,740.68/15,684.81
  6. Step 6: Final answer
    x = 9,481.83

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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.