Home / 14,295.80-21,458.10-6,906.20

Finding the Fourth Proportional to 14,295.80, 21,458.10 and 6,906.20

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Solution

The fourth proportional to 14,295.80, 21,458.10 and 6,906.20 is: 10,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.80 : 21,458.10 = 6,906.20 : x
  2. Step 2: Convert to fraction form
    14,295.80/21,458.10 = 6,906.20/x
  3. Step 3: Cross multiply
    14,295.80x = 21,458.10 × 6,906.20
  4. Step 4: Simplify right side
    14,295.80x = 148,193,930.22
  5. Step 5: Solve for x
    x = 148,193,930.22/14,295.80
  6. Step 6: Final answer
    x = 10,366.26

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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.