Home / 20,212.74-30,315.06-7,066.44

Finding the Fourth Proportional to 20,212.74, 30,315.06 and 7,066.44

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Solution

The fourth proportional to 20,212.74, 30,315.06 and 7,066.44 is: 10,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.74 : 30,315.06 = 7,066.44 : x
  2. Step 2: Convert to fraction form
    20,212.74/30,315.06 = 7,066.44/x
  3. Step 3: Cross multiply
    20,212.74x = 30,315.06 × 7,066.44
  4. Step 4: Simplify right side
    20,212.74x = 214,219,552.59
  5. Step 5: Solve for x
    x = 214,219,552.59/20,212.74
  6. Step 6: Final answer
    x = 10,598.24

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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.