Home / 17,941.28-26,898.48-12,378.74

Finding the Fourth Proportional to 17,941.28, 26,898.48 and 12,378.74

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Solution

The fourth proportional to 17,941.28, 26,898.48 and 12,378.74 is: 18,558.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,941.28 : 26,898.48 = 12,378.74 : x
  2. Step 2: Convert to fraction form
    17,941.28/26,898.48 = 12,378.74/x
  3. Step 3: Cross multiply
    17,941.28x = 26,898.48 × 12,378.74
  4. Step 4: Simplify right side
    17,941.28x = 332,969,155.82
  5. Step 5: Solve for x
    x = 332,969,155.82/17,941.28
  6. Step 6: Final answer
    x = 18,558.83

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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.