Home / 18,452.36-25,456.50-12,866.60

Finding the Fourth Proportional to 18,452.36, 25,456.50 and 12,866.60

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Solution

The fourth proportional to 18,452.36, 25,456.50 and 12,866.60 is: 17,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452.36 : 25,456.50 = 12,866.60 : x
  2. Step 2: Convert to fraction form
    18,452.36/25,456.50 = 12,866.60/x
  3. Step 3: Cross multiply
    18,452.36x = 25,456.50 × 12,866.60
  4. Step 4: Simplify right side
    18,452.36x = 327,538,602.90
  5. Step 5: Solve for x
    x = 327,538,602.90/18,452.36
  6. Step 6: Final answer
    x = 17,750.50

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1.5x scale

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.