Home / 15,050.58-20,768.67-8,672.64

Finding the Fourth Proportional to 15,050.58, 20,768.67 and 8,672.64

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Solution

The fourth proportional to 15,050.58, 20,768.67 and 8,672.64 is: 11,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,050.58 : 20,768.67 = 8,672.64 : x
  2. Step 2: Convert to fraction form
    15,050.58/20,768.67 = 8,672.64/x
  3. Step 3: Cross multiply
    15,050.58x = 20,768.67 × 8,672.64
  4. Step 4: Simplify right side
    15,050.58x = 180,119,198.19
  5. Step 5: Solve for x
    x = 180,119,198.19/15,050.58
  6. Step 6: Final answer
    x = 11,967.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.