Home / 9,213.12-12,708.96-5,673.84

Finding the Fourth Proportional to 9,213.12, 12,708.96 and 5,673.84

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Solution

The fourth proportional to 9,213.12, 12,708.96 and 5,673.84 is: 7,826.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.12 : 12,708.96 = 5,673.84 : x
  2. Step 2: Convert to fraction form
    9,213.12/12,708.96 = 5,673.84/x
  3. Step 3: Cross multiply
    9,213.12x = 12,708.96 × 5,673.84
  4. Step 4: Simplify right side
    9,213.12x = 72,108,605.61
  5. Step 5: Solve for x
    x = 72,108,605.61/9,213.12
  6. Step 6: Final answer
    x = 7,826.73

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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.