Home / 15,937.03-21,999.27-11,969.65

Finding the Fourth Proportional to 15,937.03, 21,999.27 and 11,969.65

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Solution

The fourth proportional to 15,937.03, 21,999.27 and 11,969.65 is: 16,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,937.03 : 21,999.27 = 11,969.65 : x
  2. Step 2: Convert to fraction form
    15,937.03/21,999.27 = 11,969.65/x
  3. Step 3: Cross multiply
    15,937.03x = 21,999.27 × 11,969.65
  4. Step 4: Simplify right side
    15,937.03x = 263,323,562.16
  5. Step 5: Solve for x
    x = 263,323,562.16/15,937.03
  6. Step 6: Final answer
    x = 16,522.75

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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.