Home / 14,140.26-21,210.40-4,906.26

Finding the Fourth Proportional to 14,140.26, 21,210.40 and 4,906.26

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Solution

The fourth proportional to 14,140.26, 21,210.40 and 4,906.26 is: 7,359.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,140.26 : 21,210.40 = 4,906.26 : x
  2. Step 2: Convert to fraction form
    14,140.26/21,210.40 = 4,906.26/x
  3. Step 3: Cross multiply
    14,140.26x = 21,210.40 × 4,906.26
  4. Step 4: Simplify right side
    14,140.26x = 104,063,737.10
  5. Step 5: Solve for x
    x = 104,063,737.10/14,140.26
  6. Step 6: Final answer
    x = 7,359.39

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Similar ratio
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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.