Home / 14,083.88-21,146.58-7,856.06

Finding the Fourth Proportional to 14,083.88, 21,146.58 and 7,856.06

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Solution

The fourth proportional to 14,083.88, 21,146.58 and 7,856.06 is: 11,795.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.88 : 21,146.58 = 7,856.06 : x
  2. Step 2: Convert to fraction form
    14,083.88/21,146.58 = 7,856.06/x
  3. Step 3: Cross multiply
    14,083.88x = 21,146.58 × 7,856.06
  4. Step 4: Simplify right side
    14,083.88x = 166,128,801.27
  5. Step 5: Solve for x
    x = 166,128,801.27/14,083.88
  6. Step 6: Final answer
    x = 11,795.67

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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.