Home / 18,147.41-25,039.32-10,189.10

Finding the Fourth Proportional to 18,147.41, 25,039.32 and 10,189.10

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Solution

The fourth proportional to 18,147.41, 25,039.32 and 10,189.10 is: 14,058.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,147.41 : 25,039.32 = 10,189.10 : x
  2. Step 2: Convert to fraction form
    18,147.41/25,039.32 = 10,189.10/x
  3. Step 3: Cross multiply
    18,147.41x = 25,039.32 × 10,189.10
  4. Step 4: Simplify right side
    18,147.41x = 255,128,010.22
  5. Step 5: Solve for x
    x = 255,128,010.22/18,147.41
  6. Step 6: Final answer
    x = 14,058.65

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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.