Home / 18,157.11-25,058.16-10,199.81

Finding the Fourth Proportional to 18,157.11, 25,058.16 and 10,199.81

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Solution

The fourth proportional to 18,157.11, 25,058.16 and 10,199.81 is: 14,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157.11 : 25,058.16 = 10,199.81 : x
  2. Step 2: Convert to fraction form
    18,157.11/25,058.16 = 10,199.81/x
  3. Step 3: Cross multiply
    18,157.11x = 25,058.16 × 10,199.81
  4. Step 4: Simplify right side
    18,157.11x = 255,588,294.66
  5. Step 5: Solve for x
    x = 255,588,294.66/18,157.11
  6. Step 6: Final answer
    x = 14,076.49

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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.