Home / 14,240.64-21,360.96-5,476.56

Finding the Fourth Proportional to 14,240.64, 21,360.96 and 5,476.56

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Solution

The fourth proportional to 14,240.64, 21,360.96 and 5,476.56 is: 8,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.64 : 21,360.96 = 5,476.56 : x
  2. Step 2: Convert to fraction form
    14,240.64/21,360.96 = 5,476.56/x
  3. Step 3: Cross multiply
    14,240.64x = 21,360.96 × 5,476.56
  4. Step 4: Simplify right side
    14,240.64x = 116,984,579.10
  5. Step 5: Solve for x
    x = 116,984,579.10/14,240.64
  6. Step 6: Final answer
    x = 8,214.84

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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.