Home / 19,311.63-28,961.29-6,160.96

Finding the Fourth Proportional to 19,311.63, 28,961.29 and 6,160.96

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Solution

The fourth proportional to 19,311.63, 28,961.29 and 6,160.96 is: 9,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.63 : 28,961.29 = 6,160.96 : x
  2. Step 2: Convert to fraction form
    19,311.63/28,961.29 = 6,160.96/x
  3. Step 3: Cross multiply
    19,311.63x = 28,961.29 × 6,160.96
  4. Step 4: Simplify right side
    19,311.63x = 178,429,349.24
  5. Step 5: Solve for x
    x = 178,429,349.24/19,311.63
  6. Step 6: Final answer
    x = 9,239.48

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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.