Home / 9,633.43-13,278.21-6,445.57

Finding the Fourth Proportional to 9,633.43, 13,278.21 and 6,445.57

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Solution

The fourth proportional to 9,633.43, 13,278.21 and 6,445.57 is: 8,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,633.43 : 13,278.21 = 6,445.57 : x
  2. Step 2: Convert to fraction form
    9,633.43/13,278.21 = 6,445.57/x
  3. Step 3: Cross multiply
    9,633.43x = 13,278.21 × 6,445.57
  4. Step 4: Simplify right side
    9,633.43x = 85,585,632.03
  5. Step 5: Solve for x
    x = 85,585,632.03/9,633.43
  6. Step 6: Final answer
    x = 8,884.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.