Home / 13,971.54-20,957.28-4,110.81

Finding the Fourth Proportional to 13,971.54, 20,957.28 and 4,110.81

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Solution

The fourth proportional to 13,971.54, 20,957.28 and 4,110.81 is: 6,166.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.54 : 20,957.28 = 4,110.81 : x
  2. Step 2: Convert to fraction form
    13,971.54/20,957.28 = 4,110.81/x
  3. Step 3: Cross multiply
    13,971.54x = 20,957.28 × 4,110.81
  4. Step 4: Simplify right side
    13,971.54x = 86,151,396.20
  5. Step 5: Solve for x
    x = 86,151,396.20/13,971.54
  6. Step 6: Final answer
    x = 6,166.21

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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.