Home / 19,302.27-28,953.33-12,680.56

Finding the Fourth Proportional to 19,302.27, 28,953.33 and 12,680.56

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Solution

The fourth proportional to 19,302.27, 28,953.33 and 12,680.56 is: 19,020.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,302.27 : 28,953.33 = 12,680.56 : x
  2. Step 2: Convert to fraction form
    19,302.27/28,953.33 = 12,680.56/x
  3. Step 3: Cross multiply
    19,302.27x = 28,953.33 × 12,680.56
  4. Step 4: Simplify right side
    19,302.27x = 367,144,438.26
  5. Step 5: Solve for x
    x = 367,144,438.26/19,302.27
  6. Step 6: Final answer
    x = 19,020.79

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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.