Home / 14,485.32-21,694.42-12,353.80

Finding the Fourth Proportional to 14,485.32, 21,694.42 and 12,353.80

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Solution

The fourth proportional to 14,485.32, 21,694.42 and 12,353.80 is: 18,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.32 : 21,694.42 = 12,353.80 : x
  2. Step 2: Convert to fraction form
    14,485.32/21,694.42 = 12,353.80/x
  3. Step 3: Cross multiply
    14,485.32x = 21,694.42 × 12,353.80
  4. Step 4: Simplify right side
    14,485.32x = 268,008,525.80
  5. Step 5: Solve for x
    x = 268,008,525.80/14,485.32
  6. Step 6: Final answer
    x = 18,502.08

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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.