Home / 18,548.74-25,583.30-12,883.50

Finding the Fourth Proportional to 18,548.74, 25,583.30 and 12,883.50

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Solution

The fourth proportional to 18,548.74, 25,583.30 and 12,883.50 is: 17,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.74 : 25,583.30 = 12,883.50 : x
  2. Step 2: Convert to fraction form
    18,548.74/25,583.30 = 12,883.50/x
  3. Step 3: Cross multiply
    18,548.74x = 25,583.30 × 12,883.50
  4. Step 4: Simplify right side
    18,548.74x = 329,602,445.55
  5. Step 5: Solve for x
    x = 329,602,445.55/18,548.74
  6. Step 6: Final answer
    x = 17,769.53

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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.