Home / 16,128.30-24,163.65-13,190.70

Finding the Fourth Proportional to 16,128.30, 24,163.65 and 13,190.70

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Solution

The fourth proportional to 16,128.30, 24,163.65 and 13,190.70 is: 19,762.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,128.30 : 24,163.65 = 13,190.70 : x
  2. Step 2: Convert to fraction form
    16,128.30/24,163.65 = 13,190.70/x
  3. Step 3: Cross multiply
    16,128.30x = 24,163.65 × 13,190.70
  4. Step 4: Simplify right side
    16,128.30x = 318,735,458.06
  5. Step 5: Solve for x
    x = 318,735,458.06/16,128.30
  6. Step 6: Final answer
    x = 19,762.50

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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.