Home / 10,425.45-14,391.78-6,653.61

Finding the Fourth Proportional to 10,425.45, 14,391.78 and 6,653.61

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Solution

The fourth proportional to 10,425.45, 14,391.78 and 6,653.61 is: 9,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,425.45 : 14,391.78 = 6,653.61 : x
  2. Step 2: Convert to fraction form
    10,425.45/14,391.78 = 6,653.61/x
  3. Step 3: Cross multiply
    10,425.45x = 14,391.78 × 6,653.61
  4. Step 4: Simplify right side
    10,425.45x = 95,757,291.33
  5. Step 5: Solve for x
    x = 95,757,291.33/10,425.45
  6. Step 6: Final answer
    x = 9,184.96

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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.