Home / 11,421.14-17,126.88-4,023.80

Finding the Fourth Proportional to 11,421.14, 17,126.88 and 4,023.80

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Solution

The fourth proportional to 11,421.14, 17,126.88 and 4,023.80 is: 6,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,421.14 : 17,126.88 = 4,023.80 : x
  2. Step 2: Convert to fraction form
    11,421.14/17,126.88 = 4,023.80/x
  3. Step 3: Cross multiply
    11,421.14x = 17,126.88 × 4,023.80
  4. Step 4: Simplify right side
    11,421.14x = 68,915,139.74
  5. Step 5: Solve for x
    x = 68,915,139.74/11,421.14
  6. Step 6: Final answer
    x = 6,034.00

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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.