Home / 14,285.97-21,430.37-4,924.73

Finding the Fourth Proportional to 14,285.97, 21,430.37 and 4,924.73

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Solution

The fourth proportional to 14,285.97, 21,430.37 and 4,924.73 is: 7,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.97 : 21,430.37 = 4,924.73 : x
  2. Step 2: Convert to fraction form
    14,285.97/21,430.37 = 4,924.73/x
  3. Step 3: Cross multiply
    14,285.97x = 21,430.37 × 4,924.73
  4. Step 4: Simplify right side
    14,285.97x = 105,538,851.94
  5. Step 5: Solve for x
    x = 105,538,851.94/14,285.97
  6. Step 6: Final answer
    x = 7,387.59

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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.