Home / 15,918.72-23,861.40-8,888.41

Finding the Fourth Proportional to 15,918.72, 23,861.40 and 8,888.41

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Solution

The fourth proportional to 15,918.72, 23,861.40 and 8,888.41 is: 13,323.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,918.72 : 23,861.40 = 8,888.41 : x
  2. Step 2: Convert to fraction form
    15,918.72/23,861.40 = 8,888.41/x
  3. Step 3: Cross multiply
    15,918.72x = 23,861.40 × 8,888.41
  4. Step 4: Simplify right side
    15,918.72x = 212,089,906.37
  5. Step 5: Solve for x
    x = 212,089,906.37/15,918.72
  6. Step 6: Final answer
    x = 13,323.30

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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.