Home / 14,395.73-19,866.87-8,427.85

Finding the Fourth Proportional to 14,395.73, 19,866.87 and 8,427.85

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Solution

The fourth proportional to 14,395.73, 19,866.87 and 8,427.85 is: 11,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.73 : 19,866.87 = 8,427.85 : x
  2. Step 2: Convert to fraction form
    14,395.73/19,866.87 = 8,427.85/x
  3. Step 3: Cross multiply
    14,395.73x = 19,866.87 × 8,427.85
  4. Step 4: Simplify right side
    14,395.73x = 167,434,950.66
  5. Step 5: Solve for x
    x = 167,434,950.66/14,395.73
  6. Step 6: Final answer
    x = 11,630.88

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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.