Home / 14,319.94-21,471.08-4,957.78

Finding the Fourth Proportional to 14,319.94, 21,471.08 and 4,957.78

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Solution

The fourth proportional to 14,319.94, 21,471.08 and 4,957.78 is: 7,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.94 : 21,471.08 = 4,957.78 : x
  2. Step 2: Convert to fraction form
    14,319.94/21,471.08 = 4,957.78/x
  3. Step 3: Cross multiply
    14,319.94x = 21,471.08 × 4,957.78
  4. Step 4: Simplify right side
    14,319.94x = 106,448,891.00
  5. Step 5: Solve for x
    x = 106,448,891.00/14,319.94
  6. Step 6: Final answer
    x = 7,433.61

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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.