Home / 12,632.26-18,948.45-3,271.62

Finding the Fourth Proportional to 12,632.26, 18,948.45 and 3,271.62

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Solution

The fourth proportional to 12,632.26, 18,948.45 and 3,271.62 is: 4,907.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.26 : 18,948.45 = 3,271.62 : x
  2. Step 2: Convert to fraction form
    12,632.26/18,948.45 = 3,271.62/x
  3. Step 3: Cross multiply
    12,632.26x = 18,948.45 × 3,271.62
  4. Step 4: Simplify right side
    12,632.26x = 61,992,127.99
  5. Step 5: Solve for x
    x = 61,992,127.99/12,632.26
  6. Step 6: Final answer
    x = 4,907.45

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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.