Home / 14,290.26-21,430.36-4,292.02

Finding the Fourth Proportional to 14,290.26, 21,430.36 and 4,292.02

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Solution

The fourth proportional to 14,290.26, 21,430.36 and 4,292.02 is: 6,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,290.26 : 21,430.36 = 4,292.02 : x
  2. Step 2: Convert to fraction form
    14,290.26/21,430.36 = 4,292.02/x
  3. Step 3: Cross multiply
    14,290.26x = 21,430.36 × 4,292.02
  4. Step 4: Simplify right side
    14,290.26x = 91,979,533.73
  5. Step 5: Solve for x
    x = 91,979,533.73/14,290.26
  6. Step 6: Final answer
    x = 6,436.52

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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.