Home / 11,453.80-17,178.90-4,057.20

Finding the Fourth Proportional to 11,453.80, 17,178.90 and 4,057.20

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Solution

The fourth proportional to 11,453.80, 17,178.90 and 4,057.20 is: 6,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,453.80 : 17,178.90 = 4,057.20 : x
  2. Step 2: Convert to fraction form
    11,453.80/17,178.90 = 4,057.20/x
  3. Step 3: Cross multiply
    11,453.80x = 17,178.90 × 4,057.20
  4. Step 4: Simplify right side
    11,453.80x = 69,698,233.08
  5. Step 5: Solve for x
    x = 69,698,233.08/11,453.80
  6. Step 6: Final answer
    x = 6,085.16

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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.