Home / 14,142.49-21,216.46-5,376.72

Finding the Fourth Proportional to 14,142.49, 21,216.46 and 5,376.72

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Solution

The fourth proportional to 14,142.49, 21,216.46 and 5,376.72 is: 8,066.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.49 : 21,216.46 = 5,376.72 : x
  2. Step 2: Convert to fraction form
    14,142.49/21,216.46 = 5,376.72/x
  3. Step 3: Cross multiply
    14,142.49x = 21,216.46 × 5,376.72
  4. Step 4: Simplify right side
    14,142.49x = 114,074,845.29
  5. Step 5: Solve for x
    x = 114,074,845.29/14,142.49
  6. Step 6: Final answer
    x = 8,066.11

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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.