Home / 20,235.32-30,356.04-6,192.08

Finding the Fourth Proportional to 20,235.32, 30,356.04 and 6,192.08

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Solution

The fourth proportional to 20,235.32, 30,356.04 and 6,192.08 is: 9,289.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235.32 : 30,356.04 = 6,192.08 : x
  2. Step 2: Convert to fraction form
    20,235.32/30,356.04 = 6,192.08/x
  3. Step 3: Cross multiply
    20,235.32x = 30,356.04 × 6,192.08
  4. Step 4: Simplify right side
    20,235.32x = 187,967,028.16
  5. Step 5: Solve for x
    x = 187,967,028.16/20,235.32
  6. Step 6: Final answer
    x = 9,289.06

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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.