Home / 13,996.87-19,316.09-7,623.88

Finding the Fourth Proportional to 13,996.87, 19,316.09 and 7,623.88

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Solution

The fourth proportional to 13,996.87, 19,316.09 and 7,623.88 is: 10,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.87 : 19,316.09 = 7,623.88 : x
  2. Step 2: Convert to fraction form
    13,996.87/19,316.09 = 7,623.88/x
  3. Step 3: Cross multiply
    13,996.87x = 19,316.09 × 7,623.88
  4. Step 4: Simplify right side
    13,996.87x = 147,263,552.23
  5. Step 5: Solve for x
    x = 147,263,552.23/13,996.87
  6. Step 6: Final answer
    x = 10,521.18

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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.