Home / 9,932.64-13,707.84-6,393.60

Finding the Fourth Proportional to 9,932.64, 13,707.84 and 6,393.60

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Solution

The fourth proportional to 9,932.64, 13,707.84 and 6,393.60 is: 8,823.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,932.64 : 13,707.84 = 6,393.60 : x
  2. Step 2: Convert to fraction form
    9,932.64/13,707.84 = 6,393.60/x
  3. Step 3: Cross multiply
    9,932.64x = 13,707.84 × 6,393.60
  4. Step 4: Simplify right side
    9,932.64x = 87,642,445.82
  5. Step 5: Solve for x
    x = 87,642,445.82/9,932.64
  6. Step 6: Final answer
    x = 8,823.68

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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.