Home / 14,004.26-21,006.40-4,770.26

Finding the Fourth Proportional to 14,004.26, 21,006.40 and 4,770.26

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Solution

The fourth proportional to 14,004.26, 21,006.40 and 4,770.26 is: 7,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.26 : 21,006.40 = 4,770.26 : x
  2. Step 2: Convert to fraction form
    14,004.26/21,006.40 = 4,770.26/x
  3. Step 3: Cross multiply
    14,004.26x = 21,006.40 × 4,770.26
  4. Step 4: Simplify right side
    14,004.26x = 100,205,989.66
  5. Step 5: Solve for x
    x = 100,205,989.66/14,004.26
  6. Step 6: Final answer
    x = 7,155.39

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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.