Home / 14,228.64-21,339.70-3,841.20

Finding the Fourth Proportional to 14,228.64, 21,339.70 and 3,841.20

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Solution

The fourth proportional to 14,228.64, 21,339.70 and 3,841.20 is: 5,760.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,228.64 : 21,339.70 = 3,841.20 : x
  2. Step 2: Convert to fraction form
    14,228.64/21,339.70 = 3,841.20/x
  3. Step 3: Cross multiply
    14,228.64x = 21,339.70 × 3,841.20
  4. Step 4: Simplify right side
    14,228.64x = 81,970,055.64
  5. Step 5: Solve for x
    x = 81,970,055.64/14,228.64
  6. Step 6: Final answer
    x = 5,760.92

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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.