Home / 20,228.08-30,341.17-7,083.40

Finding the Fourth Proportional to 20,228.08, 30,341.17 and 7,083.40

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Solution

The fourth proportional to 20,228.08, 30,341.17 and 7,083.40 is: 10,624.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,228.08 : 30,341.17 = 7,083.40 : x
  2. Step 2: Convert to fraction form
    20,228.08/30,341.17 = 7,083.40/x
  3. Step 3: Cross multiply
    20,228.08x = 30,341.17 × 7,083.40
  4. Step 4: Simplify right side
    20,228.08x = 214,918,643.58
  5. Step 5: Solve for x
    x = 214,918,643.58/20,228.08
  6. Step 6: Final answer
    x = 10,624.77

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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.