Home / 14,485.80-21,708.45-11,529.30

Finding the Fourth Proportional to 14,485.80, 21,708.45 and 11,529.30

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Solution

The fourth proportional to 14,485.80, 21,708.45 and 11,529.30 is: 17,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.80 : 21,708.45 = 11,529.30 : x
  2. Step 2: Convert to fraction form
    14,485.80/21,708.45 = 11,529.30/x
  3. Step 3: Cross multiply
    14,485.80x = 21,708.45 × 11,529.30
  4. Step 4: Simplify right side
    14,485.80x = 250,283,232.59
  5. Step 5: Solve for x
    x = 250,283,232.59/14,485.80
  6. Step 6: Final answer
    x = 17,277.83

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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.