Home / 19,484.64-26,890.56-11,103.84

Finding the Fourth Proportional to 19,484.64, 26,890.56 and 11,103.84

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Solution

The fourth proportional to 19,484.64, 26,890.56 and 11,103.84 is: 15,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.64 : 26,890.56 = 11,103.84 : x
  2. Step 2: Convert to fraction form
    19,484.64/26,890.56 = 11,103.84/x
  3. Step 3: Cross multiply
    19,484.64x = 26,890.56 × 11,103.84
  4. Step 4: Simplify right side
    19,484.64x = 298,588,475.75
  5. Step 5: Solve for x
    x = 298,588,475.75/19,484.64
  6. Step 6: Final answer
    x = 15,324.30

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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.