Home / 12,795.85-17,652.23-7,487.38

Finding the Fourth Proportional to 12,795.85, 17,652.23 and 7,487.38

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Solution

The fourth proportional to 12,795.85, 17,652.23 and 7,487.38 is: 10,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,795.85 : 17,652.23 = 7,487.38 : x
  2. Step 2: Convert to fraction form
    12,795.85/17,652.23 = 7,487.38/x
  3. Step 3: Cross multiply
    12,795.85x = 17,652.23 × 7,487.38
  4. Step 4: Simplify right side
    12,795.85x = 132,168,865.60
  5. Step 5: Solve for x
    x = 132,168,865.60/12,795.85
  6. Step 6: Final answer
    x = 10,329.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.