Home / 11,555.80-17,323.30-4,158.52

Finding the Fourth Proportional to 11,555.80, 17,323.30 and 4,158.52

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Solution

The fourth proportional to 11,555.80, 17,323.30 and 4,158.52 is: 6,234.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.80 : 17,323.30 = 4,158.52 : x
  2. Step 2: Convert to fraction form
    11,555.80/17,323.30 = 4,158.52/x
  3. Step 3: Cross multiply
    11,555.80x = 17,323.30 × 4,158.52
  4. Step 4: Simplify right side
    11,555.80x = 72,039,289.52
  5. Step 5: Solve for x
    x = 72,039,289.52/11,555.80
  6. Step 6: Final answer
    x = 6,234.04

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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.