Home / 12,434.56-18,651.80-8,527.12

Finding the Fourth Proportional to 12,434.56, 18,651.80 and 8,527.12

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Solution

The fourth proportional to 12,434.56, 18,651.80 and 8,527.12 is: 12,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.56 : 18,651.80 = 8,527.12 : x
  2. Step 2: Convert to fraction form
    12,434.56/18,651.80 = 8,527.12/x
  3. Step 3: Cross multiply
    12,434.56x = 18,651.80 × 8,527.12
  4. Step 4: Simplify right side
    12,434.56x = 159,046,136.82
  5. Step 5: Solve for x
    x = 159,046,136.82/12,434.56
  6. Step 6: Final answer
    x = 12,790.65

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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.