Home / 11,345.20-17,017.80-3,554.62

Finding the Fourth Proportional to 11,345.20, 17,017.80 and 3,554.62

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Solution

The fourth proportional to 11,345.20, 17,017.80 and 3,554.62 is: 5,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.20 : 17,017.80 = 3,554.62 : x
  2. Step 2: Convert to fraction form
    11,345.20/17,017.80 = 3,554.62/x
  3. Step 3: Cross multiply
    11,345.20x = 17,017.80 × 3,554.62
  4. Step 4: Simplify right side
    11,345.20x = 60,491,812.24
  5. Step 5: Solve for x
    x = 60,491,812.24/11,345.20
  6. Step 6: Final answer
    x = 5,331.93

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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.