Home / 12,141.64-18,215.70-4,351.24

Finding the Fourth Proportional to 12,141.64, 18,215.70 and 4,351.24

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Solution

The fourth proportional to 12,141.64, 18,215.70 and 4,351.24 is: 6,528.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141.64 : 18,215.70 = 4,351.24 : x
  2. Step 2: Convert to fraction form
    12,141.64/18,215.70 = 4,351.24/x
  3. Step 3: Cross multiply
    12,141.64x = 18,215.70 × 4,351.24
  4. Step 4: Simplify right side
    12,141.64x = 79,260,882.47
  5. Step 5: Solve for x
    x = 79,260,882.47/12,141.64
  6. Step 6: Final answer
    x = 6,528.02

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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.