Home / 14,276.30-21,414.45-3,746.30

Finding the Fourth Proportional to 14,276.30, 21,414.45 and 3,746.30

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Solution

The fourth proportional to 14,276.30, 21,414.45 and 3,746.30 is: 5,619.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.30 : 21,414.45 = 3,746.30 : x
  2. Step 2: Convert to fraction form
    14,276.30/21,414.45 = 3,746.30/x
  3. Step 3: Cross multiply
    14,276.30x = 21,414.45 × 3,746.30
  4. Step 4: Simplify right side
    14,276.30x = 80,224,954.04
  5. Step 5: Solve for x
    x = 80,224,954.04/14,276.30
  6. Step 6: Final answer
    x = 5,619.45

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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.