Home / 11,577.19-15,976.30-6,472.68

Finding the Fourth Proportional to 11,577.19, 15,976.30 and 6,472.68

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Solution

The fourth proportional to 11,577.19, 15,976.30 and 6,472.68 is: 8,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.19 : 15,976.30 = 6,472.68 : x
  2. Step 2: Convert to fraction form
    11,577.19/15,976.30 = 6,472.68/x
  3. Step 3: Cross multiply
    11,577.19x = 15,976.30 × 6,472.68
  4. Step 4: Simplify right side
    11,577.19x = 103,409,445.12
  5. Step 5: Solve for x
    x = 103,409,445.12/11,577.19
  6. Step 6: Final answer
    x = 8,932.18

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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.