Home / 11,021.35-15,209.41-5,985.53

Finding the Fourth Proportional to 11,021.35, 15,209.41 and 5,985.53

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Solution

The fourth proportional to 11,021.35, 15,209.41 and 5,985.53 is: 8,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.35 : 15,209.41 = 5,985.53 : x
  2. Step 2: Convert to fraction form
    11,021.35/15,209.41 = 5,985.53/x
  3. Step 3: Cross multiply
    11,021.35x = 15,209.41 × 5,985.53
  4. Step 4: Simplify right side
    11,021.35x = 91,036,379.84
  5. Step 5: Solve for x
    x = 91,036,379.84/11,021.35
  6. Step 6: Final answer
    x = 8,260.00

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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.