Home / 11,021.95-15,210.30-5,986.15

Finding the Fourth Proportional to 11,021.95, 15,210.30 and 5,986.15

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Solution

The fourth proportional to 11,021.95, 15,210.30 and 5,986.15 is: 8,260.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.95 : 15,210.30 = 5,986.15 : x
  2. Step 2: Convert to fraction form
    11,021.95/15,210.30 = 5,986.15/x
  3. Step 3: Cross multiply
    11,021.95x = 15,210.30 × 5,986.15
  4. Step 4: Simplify right side
    11,021.95x = 91,051,137.35
  5. Step 5: Solve for x
    x = 91,051,137.35/11,021.95
  6. Step 6: Final answer
    x = 8,260.89

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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.