Home / 13,941.64-20,919.60-9,264.88

Finding the Fourth Proportional to 13,941.64, 20,919.60 and 9,264.88

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Solution

The fourth proportional to 13,941.64, 20,919.60 and 9,264.88 is: 13,902.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.64 : 20,919.60 = 9,264.88 : x
  2. Step 2: Convert to fraction form
    13,941.64/20,919.60 = 9,264.88/x
  3. Step 3: Cross multiply
    13,941.64x = 20,919.60 × 9,264.88
  4. Step 4: Simplify right side
    13,941.64x = 193,817,583.65
  5. Step 5: Solve for x
    x = 193,817,583.65/13,941.64
  6. Step 6: Final answer
    x = 13,902.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.