Home / 14,538.50-21,815.63-11,258

Finding the Fourth Proportional to 14,538.50, 21,815.63 and 11,258

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Solution

The fourth proportional to 14,538.50, 21,815.63 and 11,258 is: 16,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.50 : 21,815.63 = 11,258 : x
  2. Step 2: Convert to fraction form
    14,538.50/21,815.63 = 11,258/x
  3. Step 3: Cross multiply
    14,538.50x = 21,815.63 × 11,258
  4. Step 4: Simplify right side
    14,538.50x = 245,600,362.54
  5. Step 5: Solve for x
    x = 245,600,362.54/14,538.50
  6. Step 6: Final answer
    x = 16,893.10

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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.