Home / 14,091.21-21,130.59-4,228.60

Finding the Fourth Proportional to 14,091.21, 21,130.59 and 4,228.60

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Solution

The fourth proportional to 14,091.21, 21,130.59 and 4,228.60 is: 6,341.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.21 : 21,130.59 = 4,228.60 : x
  2. Step 2: Convert to fraction form
    14,091.21/21,130.59 = 4,228.60/x
  3. Step 3: Cross multiply
    14,091.21x = 21,130.59 × 4,228.60
  4. Step 4: Simplify right side
    14,091.21x = 89,352,876.27
  5. Step 5: Solve for x
    x = 89,352,876.27/14,091.21
  6. Step 6: Final answer
    x = 6,341.04

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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.