Home / 12,623.94-17,424.18-7,321.95

Finding the Fourth Proportional to 12,623.94, 17,424.18 and 7,321.95

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Solution

The fourth proportional to 12,623.94, 17,424.18 and 7,321.95 is: 10,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.94 : 17,424.18 = 7,321.95 : x
  2. Step 2: Convert to fraction form
    12,623.94/17,424.18 = 7,321.95/x
  3. Step 3: Cross multiply
    12,623.94x = 17,424.18 × 7,321.95
  4. Step 4: Simplify right side
    12,623.94x = 127,578,974.75
  5. Step 5: Solve for x
    x = 127,578,974.75/12,623.94
  6. Step 6: Final answer
    x = 10,106.11

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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.