Home / 18,215.60-27,280.87-14,022.34

Finding the Fourth Proportional to 18,215.60, 27,280.87 and 14,022.34

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Solution

The fourth proportional to 18,215.60, 27,280.87 and 14,022.34 is: 21,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.60 : 27,280.87 = 14,022.34 : x
  2. Step 2: Convert to fraction form
    18,215.60/27,280.87 = 14,022.34/x
  3. Step 3: Cross multiply
    18,215.60x = 27,280.87 × 14,022.34
  4. Step 4: Simplify right side
    18,215.60x = 382,541,533.29
  5. Step 5: Solve for x
    x = 382,541,533.29/18,215.60
  6. Step 6: Final answer
    x = 21,000.76

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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.