Home / 13,047.67-17,895.08-12,511.85

Finding the Fourth Proportional to 13,047.67, 17,895.08 and 12,511.85

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Solution

The fourth proportional to 13,047.67, 17,895.08 and 12,511.85 is: 17,160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.67 : 17,895.08 = 12,511.85 : x
  2. Step 2: Convert to fraction form
    13,047.67/17,895.08 = 12,511.85/x
  3. Step 3: Cross multiply
    13,047.67x = 17,895.08 × 12,511.85
  4. Step 4: Simplify right side
    13,047.67x = 223,900,556.70
  5. Step 5: Solve for x
    x = 223,900,556.70/13,047.67
  6. Step 6: Final answer
    x = 17,160.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.