Home / 16,853.16-23,202.69-13,261.79

Finding the Fourth Proportional to 16,853.16, 23,202.69 and 13,261.79

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Solution

The fourth proportional to 16,853.16, 23,202.69 and 13,261.79 is: 18,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,853.16 : 23,202.69 = 13,261.79 : x
  2. Step 2: Convert to fraction form
    16,853.16/23,202.69 = 13,261.79/x
  3. Step 3: Cross multiply
    16,853.16x = 23,202.69 × 13,261.79
  4. Step 4: Simplify right side
    16,853.16x = 307,709,086.20
  5. Step 5: Solve for x
    x = 307,709,086.20/16,853.16
  6. Step 6: Final answer
    x = 18,258.24

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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.