Home / 16,769.70-25,155.72-5,672.64

Finding the Fourth Proportional to 16,769.70, 25,155.72 and 5,672.64

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Solution

The fourth proportional to 16,769.70, 25,155.72 and 5,672.64 is: 8,509.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.70 : 25,155.72 = 5,672.64 : x
  2. Step 2: Convert to fraction form
    16,769.70/25,155.72 = 5,672.64/x
  3. Step 3: Cross multiply
    16,769.70x = 25,155.72 × 5,672.64
  4. Step 4: Simplify right side
    16,769.70x = 142,699,343.50
  5. Step 5: Solve for x
    x = 142,699,343.50/16,769.70
  6. Step 6: Final answer
    x = 8,509.36

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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.