Home / 14,084.64-21,126.87-11,439.57

Finding the Fourth Proportional to 14,084.64, 21,126.87 and 11,439.57

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Solution

The fourth proportional to 14,084.64, 21,126.87 and 11,439.57 is: 17,159.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.64 : 21,126.87 = 11,439.57 : x
  2. Step 2: Convert to fraction form
    14,084.64/21,126.87 = 11,439.57/x
  3. Step 3: Cross multiply
    14,084.64x = 21,126.87 × 11,439.57
  4. Step 4: Simplify right side
    14,084.64x = 241,682,308.25
  5. Step 5: Solve for x
    x = 241,682,308.25/14,084.64
  6. Step 6: Final answer
    x = 17,159.28

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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.