Home / 12,548.60-18,822.70-3,061.02

Finding the Fourth Proportional to 12,548.60, 18,822.70 and 3,061.02

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Solution

The fourth proportional to 12,548.60, 18,822.70 and 3,061.02 is: 4,591.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.60 : 18,822.70 = 3,061.02 : x
  2. Step 2: Convert to fraction form
    12,548.60/18,822.70 = 3,061.02/x
  3. Step 3: Cross multiply
    12,548.60x = 18,822.70 × 3,061.02
  4. Step 4: Simplify right side
    12,548.60x = 57,616,661.15
  5. Step 5: Solve for x
    x = 57,616,661.15/12,548.60
  6. Step 6: Final answer
    x = 4,591.48

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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.