Home / 19,401.42-26,752.76-13,102.86

Finding the Fourth Proportional to 19,401.42, 26,752.76 and 13,102.86

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Solution

The fourth proportional to 19,401.42, 26,752.76 and 13,102.86 is: 18,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.42 : 26,752.76 = 13,102.86 : x
  2. Step 2: Convert to fraction form
    19,401.42/26,752.76 = 13,102.86/x
  3. Step 3: Cross multiply
    19,401.42x = 26,752.76 × 13,102.86
  4. Step 4: Simplify right side
    19,401.42x = 350,537,668.89
  5. Step 5: Solve for x
    x = 350,537,668.89/19,401.42
  6. Step 6: Final answer
    x = 18,067.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.