Home / 14,293.56-21,440.04-3,905.28

Finding the Fourth Proportional to 14,293.56, 21,440.04 and 3,905.28

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Solution

The fourth proportional to 14,293.56, 21,440.04 and 3,905.28 is: 5,857.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,293.56 : 21,440.04 = 3,905.28 : x
  2. Step 2: Convert to fraction form
    14,293.56/21,440.04 = 3,905.28/x
  3. Step 3: Cross multiply
    14,293.56x = 21,440.04 × 3,905.28
  4. Step 4: Simplify right side
    14,293.56x = 83,729,359.41
  5. Step 5: Solve for x
    x = 83,729,359.41/14,293.56
  6. Step 6: Final answer
    x = 5,857.84

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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.