Home / 14,321.23-21,477.70-4,960.87

Finding the Fourth Proportional to 14,321.23, 21,477.70 and 4,960.87

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Solution

The fourth proportional to 14,321.23, 21,477.70 and 4,960.87 is: 7,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.23 : 21,477.70 = 4,960.87 : x
  2. Step 2: Convert to fraction form
    14,321.23/21,477.70 = 4,960.87/x
  3. Step 3: Cross multiply
    14,321.23x = 21,477.70 × 4,960.87
  4. Step 4: Simplify right side
    14,321.23x = 106,548,077.60
  5. Step 5: Solve for x
    x = 106,548,077.60/14,321.23
  6. Step 6: Final answer
    x = 7,439.87

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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.