Home / 14,083.80-19,431.50-8,113.32

Finding the Fourth Proportional to 14,083.80, 19,431.50 and 8,113.32

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Solution

The fourth proportional to 14,083.80, 19,431.50 and 8,113.32 is: 11,193.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,083.80 : 19,431.50 = 8,113.32 : x
  2. Step 2: Convert to fraction form
    14,083.80/19,431.50 = 8,113.32/x
  3. Step 3: Cross multiply
    14,083.80x = 19,431.50 × 8,113.32
  4. Step 4: Simplify right side
    14,083.80x = 157,653,977.58
  5. Step 5: Solve for x
    x = 157,653,977.58/14,083.80
  6. Step 6: Final answer
    x = 11,193.99

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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.