Home / 20,228.58-30,341.93-7,083.90

Finding the Fourth Proportional to 20,228.58, 30,341.93 and 7,083.90

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Solution

The fourth proportional to 20,228.58, 30,341.93 and 7,083.90 is: 10,625.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.58 : 30,341.93 = 7,083.90 : x
  2. Step 2: Convert to fraction form
    20,228.58/30,341.93 = 7,083.90/x
  3. Step 3: Cross multiply
    20,228.58x = 30,341.93 × 7,083.90
  4. Step 4: Simplify right side
    20,228.58x = 214,939,162.51
  5. Step 5: Solve for x
    x = 214,939,162.51/20,228.58
  6. Step 6: Final answer
    x = 10,625.52

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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.