Home / 12,521.26-18,791.40-4,631.23

Finding the Fourth Proportional to 12,521.26, 18,791.40 and 4,631.23

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Solution

The fourth proportional to 12,521.26, 18,791.40 and 4,631.23 is: 6,950.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.26 : 18,791.40 = 4,631.23 : x
  2. Step 2: Convert to fraction form
    12,521.26/18,791.40 = 4,631.23/x
  3. Step 3: Cross multiply
    12,521.26x = 18,791.40 × 4,631.23
  4. Step 4: Simplify right side
    12,521.26x = 87,027,389.13
  5. Step 5: Solve for x
    x = 87,027,389.13/12,521.26
  6. Step 6: Final answer
    x = 6,950.37

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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.