Home / 10,423.78-14,386.41-6,234.46

Finding the Fourth Proportional to 10,423.78, 14,386.41 and 6,234.46

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Solution

The fourth proportional to 10,423.78, 14,386.41 and 6,234.46 is: 8,604.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,423.78 : 14,386.41 = 6,234.46 : x
  2. Step 2: Convert to fraction form
    10,423.78/14,386.41 = 6,234.46/x
  3. Step 3: Cross multiply
    10,423.78x = 14,386.41 × 6,234.46
  4. Step 4: Simplify right side
    10,423.78x = 89,691,497.69
  5. Step 5: Solve for x
    x = 89,691,497.69/10,423.78
  6. Step 6: Final answer
    x = 8,604.51

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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.