Home / 18,322.14-25,284.54-9,938.64

Finding the Fourth Proportional to 18,322.14, 25,284.54 and 9,938.64

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Solution

The fourth proportional to 18,322.14, 25,284.54 and 9,938.64 is: 13,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.14 : 25,284.54 = 9,938.64 : x
  2. Step 2: Convert to fraction form
    18,322.14/25,284.54 = 9,938.64/x
  3. Step 3: Cross multiply
    18,322.14x = 25,284.54 × 9,938.64
  4. Step 4: Simplify right side
    18,322.14x = 251,293,940.63
  5. Step 5: Solve for x
    x = 251,293,940.63/18,322.14
  6. Step 6: Final answer
    x = 13,715.32

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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.