Home / 20,953.26-31,410.45-11,084.22

Finding the Fourth Proportional to 20,953.26, 31,410.45 and 11,084.22

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Solution

The fourth proportional to 20,953.26, 31,410.45 and 11,084.22 is: 16,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,953.26 : 31,410.45 = 11,084.22 : x
  2. Step 2: Convert to fraction form
    20,953.26/31,410.45 = 11,084.22/x
  3. Step 3: Cross multiply
    20,953.26x = 31,410.45 × 11,084.22
  4. Step 4: Simplify right side
    20,953.26x = 348,160,338.10
  5. Step 5: Solve for x
    x = 348,160,338.10/20,953.26
  6. Step 6: Final answer
    x = 16,616.05

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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.