Home / 13,923.21-20,880.71-4,059.84

Finding the Fourth Proportional to 13,923.21, 20,880.71 and 4,059.84

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Solution

The fourth proportional to 13,923.21, 20,880.71 and 4,059.84 is: 6,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,923.21 : 20,880.71 = 4,059.84 : x
  2. Step 2: Convert to fraction form
    13,923.21/20,880.71 = 4,059.84/x
  3. Step 3: Cross multiply
    13,923.21x = 20,880.71 × 4,059.84
  4. Step 4: Simplify right side
    13,923.21x = 84,772,341.69
  5. Step 5: Solve for x
    x = 84,772,341.69/13,923.21
  6. Step 6: Final answer
    x = 6,088.56

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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.