Home / 14,272.23-19,687.55-8,303.21

Finding the Fourth Proportional to 14,272.23, 19,687.55 and 8,303.21

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Solution

The fourth proportional to 14,272.23, 19,687.55 and 8,303.21 is: 11,453.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.23 : 19,687.55 = 8,303.21 : x
  2. Step 2: Convert to fraction form
    14,272.23/19,687.55 = 8,303.21/x
  3. Step 3: Cross multiply
    14,272.23x = 19,687.55 × 8,303.21
  4. Step 4: Simplify right side
    14,272.23x = 163,469,722.08
  5. Step 5: Solve for x
    x = 163,469,722.08/14,272.23
  6. Step 6: Final answer
    x = 11,453.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.