Home / 20,836.35-28,754.51-11,762.19

Finding the Fourth Proportional to 20,836.35, 28,754.51 and 11,762.19

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Solution

The fourth proportional to 20,836.35, 28,754.51 and 11,762.19 is: 16,232.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.35 : 28,754.51 = 11,762.19 : x
  2. Step 2: Convert to fraction form
    20,836.35/28,754.51 = 11,762.19/x
  3. Step 3: Cross multiply
    20,836.35x = 28,754.51 × 11,762.19
  4. Step 4: Simplify right side
    20,836.35x = 338,215,951.17
  5. Step 5: Solve for x
    x = 338,215,951.17/20,836.35
  6. Step 6: Final answer
    x = 16,232.02

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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.