Home / 15,685.84-23,527.64-3,999.12

Finding the Fourth Proportional to 15,685.84, 23,527.64 and 3,999.12

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Solution

The fourth proportional to 15,685.84, 23,527.64 and 3,999.12 is: 5,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.84 : 23,527.64 = 3,999.12 : x
  2. Step 2: Convert to fraction form
    15,685.84/23,527.64 = 3,999.12/x
  3. Step 3: Cross multiply
    15,685.84x = 23,527.64 × 3,999.12
  4. Step 4: Simplify right side
    15,685.84x = 94,089,855.68
  5. Step 5: Solve for x
    x = 94,089,855.68/15,685.84
  6. Step 6: Final answer
    x = 5,998.39

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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.