Home / 13,997.30-19,315.98-7,623.97

Finding the Fourth Proportional to 13,997.30, 19,315.98 and 7,623.97

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Solution

The fourth proportional to 13,997.30, 19,315.98 and 7,623.97 is: 10,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.30 : 19,315.98 = 7,623.97 : x
  2. Step 2: Convert to fraction form
    13,997.30/19,315.98 = 7,623.97/x
  3. Step 3: Cross multiply
    13,997.30x = 19,315.98 × 7,623.97
  4. Step 4: Simplify right side
    13,997.30x = 147,264,384.05
  5. Step 5: Solve for x
    x = 147,264,384.05/13,997.30
  6. Step 6: Final answer
    x = 10,520.91

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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.