Home / 18,883.72-26,017.77-13,842.28

Finding the Fourth Proportional to 18,883.72, 26,017.77 and 13,842.28

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Solution

The fourth proportional to 18,883.72, 26,017.77 and 13,842.28 is: 19,071.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,883.72 : 26,017.77 = 13,842.28 : x
  2. Step 2: Convert to fraction form
    18,883.72/26,017.77 = 13,842.28/x
  3. Step 3: Cross multiply
    18,883.72x = 26,017.77 × 13,842.28
  4. Step 4: Simplify right side
    18,883.72x = 360,145,257.32
  5. Step 5: Solve for x
    x = 360,145,257.32/18,883.72
  6. Step 6: Final answer
    x = 19,071.73

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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.