Home / 18,147.81-25,042.86-10,190.37

Finding the Fourth Proportional to 18,147.81, 25,042.86 and 10,190.37

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Solution

The fourth proportional to 18,147.81, 25,042.86 and 10,190.37 is: 14,062.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.81 : 25,042.86 = 10,190.37 : x
  2. Step 2: Convert to fraction form
    18,147.81/25,042.86 = 10,190.37/x
  3. Step 3: Cross multiply
    18,147.81x = 25,042.86 × 10,190.37
  4. Step 4: Simplify right side
    18,147.81x = 255,196,009.26
  5. Step 5: Solve for x
    x = 255,196,009.26/18,147.81
  6. Step 6: Final answer
    x = 14,062.08

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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.