Home / 20,645.08-30,958.00-7,495.74

Finding the Fourth Proportional to 20,645.08, 30,958.00 and 7,495.74

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Solution

The fourth proportional to 20,645.08, 30,958.00 and 7,495.74 is: 11,240.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,645.08 : 30,958.00 = 7,495.74 : x
  2. Step 2: Convert to fraction form
    20,645.08/30,958.00 = 7,495.74/x
  3. Step 3: Cross multiply
    20,645.08x = 30,958.00 × 7,495.74
  4. Step 4: Simplify right side
    20,645.08x = 232,053,100.18
  5. Step 5: Solve for x
    x = 232,053,100.18/20,645.08
  6. Step 6: Final answer
    x = 11,240.12

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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.