Home / 9,416.24-12,996.80-6,433.28

Finding the Fourth Proportional to 9,416.24, 12,996.80 and 6,433.28

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Solution

The fourth proportional to 9,416.24, 12,996.80 and 6,433.28 is: 8,879.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.24 : 12,996.80 = 6,433.28 : x
  2. Step 2: Convert to fraction form
    9,416.24/12,996.80 = 6,433.28/x
  3. Step 3: Cross multiply
    9,416.24x = 12,996.80 × 6,433.28
  4. Step 4: Simplify right side
    9,416.24x = 83,612,053.50
  5. Step 5: Solve for x
    x = 83,612,053.50/9,416.24
  6. Step 6: Final answer
    x = 8,879.56

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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.