Home / 18,800.07-25,945.71-10,418.19

Finding the Fourth Proportional to 18,800.07, 25,945.71 and 10,418.19

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Solution

The fourth proportional to 18,800.07, 25,945.71 and 10,418.19 is: 14,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.07 : 25,945.71 = 10,418.19 : x
  2. Step 2: Convert to fraction form
    18,800.07/25,945.71 = 10,418.19/x
  3. Step 3: Cross multiply
    18,800.07x = 25,945.71 × 10,418.19
  4. Step 4: Simplify right side
    18,800.07x = 270,307,336.46
  5. Step 5: Solve for x
    x = 270,307,336.46/18,800.07
  6. Step 6: Final answer
    x = 14,378.00

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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.