Home / 22,014.08-30,376.32-12,580.64

Finding the Fourth Proportional to 22,014.08, 30,376.32 and 12,580.64

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Solution

The fourth proportional to 22,014.08, 30,376.32 and 12,580.64 is: 17,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.08 : 30,376.32 = 12,580.64 : x
  2. Step 2: Convert to fraction form
    22,014.08/30,376.32 = 12,580.64/x
  3. Step 3: Cross multiply
    22,014.08x = 30,376.32 × 12,580.64
  4. Step 4: Simplify right side
    22,014.08x = 382,153,546.44
  5. Step 5: Solve for x
    x = 382,153,546.44/22,014.08
  6. Step 6: Final answer
    x = 17,359.51

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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.