Home / 16,750.34-23,121.96-12,570.74

Finding the Fourth Proportional to 16,750.34, 23,121.96 and 12,570.74

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Solution

The fourth proportional to 16,750.34, 23,121.96 and 12,570.74 is: 17,352.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,750.34 : 23,121.96 = 12,570.74 : x
  2. Step 2: Convert to fraction form
    16,750.34/23,121.96 = 12,570.74/x
  3. Step 3: Cross multiply
    16,750.34x = 23,121.96 × 12,570.74
  4. Step 4: Simplify right side
    16,750.34x = 290,660,147.45
  5. Step 5: Solve for x
    x = 290,660,147.45/16,750.34
  6. Step 6: Final answer
    x = 17,352.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.