Home / 15,670.32-21,625.26-8,596.60

Finding the Fourth Proportional to 15,670.32, 21,625.26 and 8,596.60

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Solution

The fourth proportional to 15,670.32, 21,625.26 and 8,596.60 is: 11,863.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.32 : 21,625.26 = 8,596.60 : x
  2. Step 2: Convert to fraction form
    15,670.32/21,625.26 = 8,596.60/x
  3. Step 3: Cross multiply
    15,670.32x = 21,625.26 × 8,596.60
  4. Step 4: Simplify right side
    15,670.32x = 185,903,710.12
  5. Step 5: Solve for x
    x = 185,903,710.12/15,670.32
  6. Step 6: Final answer
    x = 11,863.43

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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.