Home / 14,293.30-21,439.96-7,722.58

Finding the Fourth Proportional to 14,293.30, 21,439.96 and 7,722.58

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Solution

The fourth proportional to 14,293.30, 21,439.96 and 7,722.58 is: 11,583.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.30 : 21,439.96 = 7,722.58 : x
  2. Step 2: Convert to fraction form
    14,293.30/21,439.96 = 7,722.58/x
  3. Step 3: Cross multiply
    14,293.30x = 21,439.96 × 7,722.58
  4. Step 4: Simplify right side
    14,293.30x = 165,571,806.30
  5. Step 5: Solve for x
    x = 165,571,806.30/14,293.30
  6. Step 6: Final answer
    x = 11,583.88

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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.