Home / 19,148.27-28,708.56-12,892.77

Finding the Fourth Proportional to 19,148.27, 28,708.56 and 12,892.77

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Solution

The fourth proportional to 19,148.27, 28,708.56 and 12,892.77 is: 19,329.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,148.27 : 28,708.56 = 12,892.77 : x
  2. Step 2: Convert to fraction form
    19,148.27/28,708.56 = 12,892.77/x
  3. Step 3: Cross multiply
    19,148.27x = 28,708.56 × 12,892.77
  4. Step 4: Simplify right side
    19,148.27x = 370,132,861.11
  5. Step 5: Solve for x
    x = 370,132,861.11/19,148.27
  6. Step 6: Final answer
    x = 19,329.84

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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.