Home / 20,334.67-28,062.45-11,382.14

Finding the Fourth Proportional to 20,334.67, 28,062.45 and 11,382.14

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Solution

The fourth proportional to 20,334.67, 28,062.45 and 11,382.14 is: 15,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,334.67 : 28,062.45 = 11,382.14 : x
  2. Step 2: Convert to fraction form
    20,334.67/28,062.45 = 11,382.14/x
  3. Step 3: Cross multiply
    20,334.67x = 28,062.45 × 11,382.14
  4. Step 4: Simplify right side
    20,334.67x = 319,410,804.80
  5. Step 5: Solve for x
    x = 319,410,804.80/20,334.67
  6. Step 6: Final answer
    x = 15,707.70

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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.