Home / 18,941.38-26,139.45-10,556.98

Finding the Fourth Proportional to 18,941.38, 26,139.45 and 10,556.98

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Solution

The fourth proportional to 18,941.38, 26,139.45 and 10,556.98 is: 14,568.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.38 : 26,139.45 = 10,556.98 : x
  2. Step 2: Convert to fraction form
    18,941.38/26,139.45 = 10,556.98/x
  3. Step 3: Cross multiply
    18,941.38x = 26,139.45 × 10,556.98
  4. Step 4: Simplify right side
    18,941.38x = 275,953,650.86
  5. Step 5: Solve for x
    x = 275,953,650.86/18,941.38
  6. Step 6: Final answer
    x = 14,568.83

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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.