Home / 14,273.06-19,690.25-9,238.91

Finding the Fourth Proportional to 14,273.06, 19,690.25 and 9,238.91

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Solution

The fourth proportional to 14,273.06, 19,690.25 and 9,238.91 is: 12,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.06 : 19,690.25 = 9,238.91 : x
  2. Step 2: Convert to fraction form
    14,273.06/19,690.25 = 9,238.91/x
  3. Step 3: Cross multiply
    14,273.06x = 19,690.25 × 9,238.91
  4. Step 4: Simplify right side
    14,273.06x = 181,916,302.98
  5. Step 5: Solve for x
    x = 181,916,302.98/14,273.06
  6. Step 6: Final answer
    x = 12,745.44

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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.