Home / 23,111.60-34,668.20-7,316.80

Finding the Fourth Proportional to 23,111.60, 34,668.20 and 7,316.80

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Solution

The fourth proportional to 23,111.60, 34,668.20 and 7,316.80 is: 10,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,111.60 : 34,668.20 = 7,316.80 : x
  2. Step 2: Convert to fraction form
    23,111.60/34,668.20 = 7,316.80/x
  3. Step 3: Cross multiply
    23,111.60x = 34,668.20 × 7,316.80
  4. Step 4: Simplify right side
    23,111.60x = 253,660,285.76
  5. Step 5: Solve for x
    x = 253,660,285.76/23,111.60
  6. Step 6: Final answer
    x = 10,975.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.