Home / 19,483.32-26,886.78-11,100

Finding the Fourth Proportional to 19,483.32, 26,886.78 and 11,100

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Solution

The fourth proportional to 19,483.32, 26,886.78 and 11,100 is: 15,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483.32 : 26,886.78 = 11,100 : x
  2. Step 2: Convert to fraction form
    19,483.32/26,886.78 = 11,100/x
  3. Step 3: Cross multiply
    19,483.32x = 26,886.78 × 11,100
  4. Step 4: Simplify right side
    19,483.32x = 298,443,258
  5. Step 5: Solve for x
    x = 298,443,258/19,483.32
  6. Step 6: Final answer
    x = 15,317.89

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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.