Home / 9,423.12-13,020.84-6,765.88

Finding the Fourth Proportional to 9,423.12, 13,020.84 and 6,765.88

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Solution

The fourth proportional to 9,423.12, 13,020.84 and 6,765.88 is: 9,349.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,423.12 : 13,020.84 = 6,765.88 : x
  2. Step 2: Convert to fraction form
    9,423.12/13,020.84 = 6,765.88/x
  3. Step 3: Cross multiply
    9,423.12x = 13,020.84 × 6,765.88
  4. Step 4: Simplify right side
    9,423.12x = 88,097,440.94
  5. Step 5: Solve for x
    x = 88,097,440.94/9,423.12
  6. Step 6: Final answer
    x = 9,349.07

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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.