Home / 14,283.60-21,422.04-3,892.88

Finding the Fourth Proportional to 14,283.60, 21,422.04 and 3,892.88

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Solution

The fourth proportional to 14,283.60, 21,422.04 and 3,892.88 is: 5,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,283.60 : 21,422.04 = 3,892.88 : x
  2. Step 2: Convert to fraction form
    14,283.60/21,422.04 = 3,892.88/x
  3. Step 3: Cross multiply
    14,283.60x = 21,422.04 × 3,892.88
  4. Step 4: Simplify right side
    14,283.60x = 83,393,431.08
  5. Step 5: Solve for x
    x = 83,393,431.08/14,283.60
  6. Step 6: Final answer
    x = 5,838.40

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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.