Home / 12,544.98-18,813.53-4,538.72

Finding the Fourth Proportional to 12,544.98, 18,813.53 and 4,538.72

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Solution

The fourth proportional to 12,544.98, 18,813.53 and 4,538.72 is: 6,806.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544.98 : 18,813.53 = 4,538.72 : x
  2. Step 2: Convert to fraction form
    12,544.98/18,813.53 = 4,538.72/x
  3. Step 3: Cross multiply
    12,544.98x = 18,813.53 × 4,538.72
  4. Step 4: Simplify right side
    12,544.98x = 85,389,228.12
  5. Step 5: Solve for x
    x = 85,389,228.12/12,544.98
  6. Step 6: Final answer
    x = 6,806.65

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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.