Home / 20,836.63-31,260.62-10,973.26

Finding the Fourth Proportional to 20,836.63, 31,260.62 and 10,973.26

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Solution

The fourth proportional to 20,836.63, 31,260.62 and 10,973.26 is: 16,462.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,836.63 : 31,260.62 = 10,973.26 : x
  2. Step 2: Convert to fraction form
    20,836.63/31,260.62 = 10,973.26/x
  3. Step 3: Cross multiply
    20,836.63x = 31,260.62 × 10,973.26
  4. Step 4: Simplify right side
    20,836.63x = 343,030,911.02
  5. Step 5: Solve for x
    x = 343,030,911.02/20,836.63
  6. Step 6: Final answer
    x = 16,462.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.