Home / 12,473.79-18,710.64-5,076.60

Finding the Fourth Proportional to 12,473.79, 18,710.64 and 5,076.60

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Solution

The fourth proportional to 12,473.79, 18,710.64 and 5,076.60 is: 7,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473.79 : 18,710.64 = 5,076.60 : x
  2. Step 2: Convert to fraction form
    12,473.79/18,710.64 = 5,076.60/x
  3. Step 3: Cross multiply
    12,473.79x = 18,710.64 × 5,076.60
  4. Step 4: Simplify right side
    12,473.79x = 94,986,435.02
  5. Step 5: Solve for x
    x = 94,986,435.02/12,473.79
  6. Step 6: Final answer
    x = 7,614.88

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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.