Home / 14,142.60-21,214.44-5,376.24

Finding the Fourth Proportional to 14,142.60, 21,214.44 and 5,376.24

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Solution

The fourth proportional to 14,142.60, 21,214.44 and 5,376.24 is: 8,064.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,142.60 : 21,214.44 = 5,376.24 : x
  2. Step 2: Convert to fraction form
    14,142.60/21,214.44 = 5,376.24/x
  3. Step 3: Cross multiply
    14,142.60x = 21,214.44 × 5,376.24
  4. Step 4: Simplify right side
    14,142.60x = 114,053,920.91
  5. Step 5: Solve for x
    x = 114,053,920.91/14,142.60
  6. Step 6: Final answer
    x = 8,064.57

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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.