Home / 19,842.38-29,771.32-8,741.26

Finding the Fourth Proportional to 19,842.38, 29,771.32 and 8,741.26

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Solution

The fourth proportional to 19,842.38, 29,771.32 and 8,741.26 is: 13,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.38 : 29,771.32 = 8,741.26 : x
  2. Step 2: Convert to fraction form
    19,842.38/29,771.32 = 8,741.26/x
  3. Step 3: Cross multiply
    19,842.38x = 29,771.32 × 8,741.26
  4. Step 4: Simplify right side
    19,842.38x = 260,238,848.66
  5. Step 5: Solve for x
    x = 260,238,848.66/19,842.38
  6. Step 6: Final answer
    x = 13,115.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.