Home / 14,184.44-21,278.12-5,426.72

Finding the Fourth Proportional to 14,184.44, 21,278.12 and 5,426.72

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Solution

The fourth proportional to 14,184.44, 21,278.12 and 5,426.72 is: 8,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.44 : 21,278.12 = 5,426.72 : x
  2. Step 2: Convert to fraction form
    14,184.44/21,278.12 = 5,426.72/x
  3. Step 3: Cross multiply
    14,184.44x = 21,278.12 × 5,426.72
  4. Step 4: Simplify right side
    14,184.44x = 115,470,372.23
  5. Step 5: Solve for x
    x = 115,470,372.23/14,184.44
  6. Step 6: Final answer
    x = 8,140.64

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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.