Home / 13,541.64-20,314.40-4,182.44

Finding the Fourth Proportional to 13,541.64, 20,314.40 and 4,182.44

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Solution

The fourth proportional to 13,541.64, 20,314.40 and 4,182.44 is: 6,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.64 : 20,314.40 = 4,182.44 : x
  2. Step 2: Convert to fraction form
    13,541.64/20,314.40 = 4,182.44/x
  3. Step 3: Cross multiply
    13,541.64x = 20,314.40 × 4,182.44
  4. Step 4: Simplify right side
    13,541.64x = 84,963,759.14
  5. Step 5: Solve for x
    x = 84,963,759.14/13,541.64
  6. Step 6: Final answer
    x = 6,274.26

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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.