Home / 20,325.12-30,466.08-8,632.32

Finding the Fourth Proportional to 20,325.12, 30,466.08 and 8,632.32

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Solution

The fourth proportional to 20,325.12, 30,466.08 and 8,632.32 is: 12,939.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,325.12 : 30,466.08 = 8,632.32 : x
  2. Step 2: Convert to fraction form
    20,325.12/30,466.08 = 8,632.32/x
  3. Step 3: Cross multiply
    20,325.12x = 30,466.08 × 8,632.32
  4. Step 4: Simplify right side
    20,325.12x = 262,992,951.71
  5. Step 5: Solve for x
    x = 262,992,951.71/20,325.12
  6. Step 6: Final answer
    x = 12,939.31

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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.