Home / 10,433.40-14,398.87-6,456.83

Finding the Fourth Proportional to 10,433.40, 14,398.87 and 6,456.83

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Solution

The fourth proportional to 10,433.40, 14,398.87 and 6,456.83 is: 8,910.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,433.40 : 14,398.87 = 6,456.83 : x
  2. Step 2: Convert to fraction form
    10,433.40/14,398.87 = 6,456.83/x
  3. Step 3: Cross multiply
    10,433.40x = 14,398.87 × 6,456.83
  4. Step 4: Simplify right side
    10,433.40x = 92,970,967.65
  5. Step 5: Solve for x
    x = 92,970,967.65/10,433.40
  6. Step 6: Final answer
    x = 8,910.90

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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.