Home / 12,151.42-18,227.04-6,953.62

Finding the Fourth Proportional to 12,151.42, 18,227.04 and 6,953.62

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Solution

The fourth proportional to 12,151.42, 18,227.04 and 6,953.62 is: 10,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151.42 : 18,227.04 = 6,953.62 : x
  2. Step 2: Convert to fraction form
    12,151.42/18,227.04 = 6,953.62/x
  3. Step 3: Cross multiply
    12,151.42x = 18,227.04 × 6,953.62
  4. Step 4: Simplify right side
    12,151.42x = 126,743,909.88
  5. Step 5: Solve for x
    x = 126,743,909.88/12,151.42
  6. Step 6: Final answer
    x = 10,430.38

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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.