Home / 18,140.63-27,210.94-6,453.88

Finding the Fourth Proportional to 18,140.63, 27,210.94 and 6,453.88

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Solution

The fourth proportional to 18,140.63, 27,210.94 and 6,453.88 is: 9,680.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,140.63 : 27,210.94 = 6,453.88 : x
  2. Step 2: Convert to fraction form
    18,140.63/27,210.94 = 6,453.88/x
  3. Step 3: Cross multiply
    18,140.63x = 27,210.94 × 6,453.88
  4. Step 4: Simplify right side
    18,140.63x = 175,616,057.29
  5. Step 5: Solve for x
    x = 175,616,057.29/18,140.63
  6. Step 6: Final answer
    x = 9,680.82

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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.