Home / 13,956.96-19,260.38-7,669.20

Finding the Fourth Proportional to 13,956.96, 19,260.38 and 7,669.20

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Solution

The fourth proportional to 13,956.96, 19,260.38 and 7,669.20 is: 10,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.96 : 19,260.38 = 7,669.20 : x
  2. Step 2: Convert to fraction form
    13,956.96/19,260.38 = 7,669.20/x
  3. Step 3: Cross multiply
    13,956.96x = 19,260.38 × 7,669.20
  4. Step 4: Simplify right side
    13,956.96x = 147,711,706.30
  5. Step 5: Solve for x
    x = 147,711,706.30/13,956.96
  6. Step 6: Final answer
    x = 10,583.37

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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.