Home / 18,333.54-25,301.16-10,378.26

Finding the Fourth Proportional to 18,333.54, 25,301.16 and 10,378.26

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Solution

The fourth proportional to 18,333.54, 25,301.16 and 10,378.26 is: 14,322.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.54 : 25,301.16 = 10,378.26 : x
  2. Step 2: Convert to fraction form
    18,333.54/25,301.16 = 10,378.26/x
  3. Step 3: Cross multiply
    18,333.54x = 25,301.16 × 10,378.26
  4. Step 4: Simplify right side
    18,333.54x = 262,582,016.78
  5. Step 5: Solve for x
    x = 262,582,016.78/18,333.54
  6. Step 6: Final answer
    x = 14,322.49

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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.