Home / 14,071-19,418.44-7,784.60

Finding the Fourth Proportional to 14,071, 19,418.44 and 7,784.60

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Solution

The fourth proportional to 14,071, 19,418.44 and 7,784.60 is: 10,743.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071 : 19,418.44 = 7,784.60 : x
  2. Step 2: Convert to fraction form
    14,071/19,418.44 = 7,784.60/x
  3. Step 3: Cross multiply
    14,071x = 19,418.44 × 7,784.60
  4. Step 4: Simplify right side
    14,071x = 151,164,788.02
  5. Step 5: Solve for x
    x = 151,164,788.02/14,071
  6. Step 6: Final answer
    x = 10,743.00

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Why These Related Problems?

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