Home / 20,095.80-30,145.06-6,949.19

Finding the Fourth Proportional to 20,095.80, 30,145.06 and 6,949.19

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Solution

The fourth proportional to 20,095.80, 30,145.06 and 6,949.19 is: 10,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,095.80 : 30,145.06 = 6,949.19 : x
  2. Step 2: Convert to fraction form
    20,095.80/30,145.06 = 6,949.19/x
  3. Step 3: Cross multiply
    20,095.80x = 30,145.06 × 6,949.19
  4. Step 4: Simplify right side
    20,095.80x = 209,483,833.55
  5. Step 5: Solve for x
    x = 209,483,833.55/20,095.80
  6. Step 6: Final answer
    x = 10,424.26

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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.