Home / 10,354.62-14,289.42-6,374.70

Finding the Fourth Proportional to 10,354.62, 14,289.42 and 6,374.70

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Solution

The fourth proportional to 10,354.62, 14,289.42 and 6,374.70 is: 8,797.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.62 : 14,289.42 = 6,374.70 : x
  2. Step 2: Convert to fraction form
    10,354.62/14,289.42 = 6,374.70/x
  3. Step 3: Cross multiply
    10,354.62x = 14,289.42 × 6,374.70
  4. Step 4: Simplify right side
    10,354.62x = 91,090,765.67
  5. Step 5: Solve for x
    x = 91,090,765.67/10,354.62
  6. Step 6: Final answer
    x = 8,797.11

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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.