Home / 12,150.42-18,225.54-6,952.62

Finding the Fourth Proportional to 12,150.42, 18,225.54 and 6,952.62

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Solution

The fourth proportional to 12,150.42, 18,225.54 and 6,952.62 is: 10,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,150.42 : 18,225.54 = 6,952.62 : x
  2. Step 2: Convert to fraction form
    12,150.42/18,225.54 = 6,952.62/x
  3. Step 3: Cross multiply
    12,150.42x = 18,225.54 × 6,952.62
  4. Step 4: Simplify right side
    12,150.42x = 126,715,253.91
  5. Step 5: Solve for x
    x = 126,715,253.91/12,150.42
  6. Step 6: Final answer
    x = 10,428.88

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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.