Home / 19,756.32-29,622.72-6,605.12

Finding the Fourth Proportional to 19,756.32, 29,622.72 and 6,605.12

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Solution

The fourth proportional to 19,756.32, 29,622.72 and 6,605.12 is: 9,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.32 : 29,622.72 = 6,605.12 : x
  2. Step 2: Convert to fraction form
    19,756.32/29,622.72 = 6,605.12/x
  3. Step 3: Cross multiply
    19,756.32x = 29,622.72 × 6,605.12
  4. Step 4: Simplify right side
    19,756.32x = 195,661,620.33
  5. Step 5: Solve for x
    x = 195,661,620.33/19,756.32
  6. Step 6: Final answer
    x = 9,903.75

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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.