Home / 12,955.49-19,431.15-4,633.95

Finding the Fourth Proportional to 12,955.49, 19,431.15 and 4,633.95

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Solution

The fourth proportional to 12,955.49, 19,431.15 and 4,633.95 is: 6,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.49 : 19,431.15 = 4,633.95 : x
  2. Step 2: Convert to fraction form
    12,955.49/19,431.15 = 4,633.95/x
  3. Step 3: Cross multiply
    12,955.49x = 19,431.15 × 4,633.95
  4. Step 4: Simplify right side
    12,955.49x = 90,042,977.54
  5. Step 5: Solve for x
    x = 90,042,977.54/12,955.49
  6. Step 6: Final answer
    x = 6,950.18

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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.