Home / 14,285.61-21,427.52-4,424.09

Finding the Fourth Proportional to 14,285.61, 21,427.52 and 4,424.09

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Solution

The fourth proportional to 14,285.61, 21,427.52 and 4,424.09 is: 6,635.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,285.61 : 21,427.52 = 4,424.09 : x
  2. Step 2: Convert to fraction form
    14,285.61/21,427.52 = 4,424.09/x
  3. Step 3: Cross multiply
    14,285.61x = 21,427.52 × 4,424.09
  4. Step 4: Simplify right side
    14,285.61x = 94,797,147.70
  5. Step 5: Solve for x
    x = 94,797,147.70/14,285.61
  6. Step 6: Final answer
    x = 6,635.85

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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.