Home / 20,744.10-31,101.84-10,216.26

Finding the Fourth Proportional to 20,744.10, 31,101.84 and 10,216.26

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Solution

The fourth proportional to 20,744.10, 31,101.84 and 10,216.26 is: 15,317.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.10 : 31,101.84 = 10,216.26 : x
  2. Step 2: Convert to fraction form
    20,744.10/31,101.84 = 10,216.26/x
  3. Step 3: Cross multiply
    20,744.10x = 31,101.84 × 10,216.26
  4. Step 4: Simplify right side
    20,744.10x = 317,744,483.92
  5. Step 5: Solve for x
    x = 317,744,483.92/20,744.10
  6. Step 6: Final answer
    x = 15,317.34

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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.