Home / 12,528.73-18,795.26-4,209.56

Finding the Fourth Proportional to 12,528.73, 18,795.26 and 4,209.56

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Solution

The fourth proportional to 12,528.73, 18,795.26 and 4,209.56 is: 6,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.73 : 18,795.26 = 4,209.56 : x
  2. Step 2: Convert to fraction form
    12,528.73/18,795.26 = 4,209.56/x
  3. Step 3: Cross multiply
    12,528.73x = 18,795.26 × 4,209.56
  4. Step 4: Simplify right side
    12,528.73x = 79,119,691.23
  5. Step 5: Solve for x
    x = 79,119,691.23/12,528.73
  6. Step 6: Final answer
    x = 6,315.06

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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.