Home / 19,383.55-26,749.32-11,000.05

Finding the Fourth Proportional to 19,383.55, 26,749.32 and 11,000.05

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Solution

The fourth proportional to 19,383.55, 26,749.32 and 11,000.05 is: 15,180.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,383.55 : 26,749.32 = 11,000.05 : x
  2. Step 2: Convert to fraction form
    19,383.55/26,749.32 = 11,000.05/x
  3. Step 3: Cross multiply
    19,383.55x = 26,749.32 × 11,000.05
  4. Step 4: Simplify right side
    19,383.55x = 294,243,723.72
  5. Step 5: Solve for x
    x = 294,243,723.72/19,383.55
  6. Step 6: Final answer
    x = 15,180.08

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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.