Home / 14,321.58-21,477.12-4,959.18

Finding the Fourth Proportional to 14,321.58, 21,477.12 and 4,959.18

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Solution

The fourth proportional to 14,321.58, 21,477.12 and 4,959.18 is: 7,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,321.58 : 21,477.12 = 4,959.18 : x
  2. Step 2: Convert to fraction form
    14,321.58/21,477.12 = 4,959.18/x
  3. Step 3: Cross multiply
    14,321.58x = 21,477.12 × 4,959.18
  4. Step 4: Simplify right side
    14,321.58x = 106,508,903.96
  5. Step 5: Solve for x
    x = 106,508,903.96/14,321.58
  6. Step 6: Final answer
    x = 7,436.95

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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.