Home / 18,468.36-25,485.48-10,084.68

Finding the Fourth Proportional to 18,468.36, 25,485.48 and 10,084.68

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Solution

The fourth proportional to 18,468.36, 25,485.48 and 10,084.68 is: 13,916.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.36 : 25,485.48 = 10,084.68 : x
  2. Step 2: Convert to fraction form
    18,468.36/25,485.48 = 10,084.68/x
  3. Step 3: Cross multiply
    18,468.36x = 25,485.48 × 10,084.68
  4. Step 4: Simplify right side
    18,468.36x = 257,012,910.45
  5. Step 5: Solve for x
    x = 257,012,910.45/18,468.36
  6. Step 6: Final answer
    x = 13,916.39

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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.