Home / 19,010.42-28,519.70-5,684.46

Finding the Fourth Proportional to 19,010.42, 28,519.70 and 5,684.46

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Solution

The fourth proportional to 19,010.42, 28,519.70 and 5,684.46 is: 8,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.42 : 28,519.70 = 5,684.46 : x
  2. Step 2: Convert to fraction form
    19,010.42/28,519.70 = 5,684.46/x
  3. Step 3: Cross multiply
    19,010.42x = 28,519.70 × 5,684.46
  4. Step 4: Simplify right side
    19,010.42x = 162,119,093.86
  5. Step 5: Solve for x
    x = 162,119,093.86/19,010.42
  6. Step 6: Final answer
    x = 8,527.91

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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.