Home / 12,424.34-18,630.62-4,521.26

Finding the Fourth Proportional to 12,424.34, 18,630.62 and 4,521.26

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Solution

The fourth proportional to 12,424.34, 18,630.62 and 4,521.26 is: 6,779.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,424.34 : 18,630.62 = 4,521.26 : x
  2. Step 2: Convert to fraction form
    12,424.34/18,630.62 = 4,521.26/x
  3. Step 3: Cross multiply
    12,424.34x = 18,630.62 × 4,521.26
  4. Step 4: Simplify right side
    12,424.34x = 84,233,876.98
  5. Step 5: Solve for x
    x = 84,233,876.98/12,424.34
  6. Step 6: Final answer
    x = 6,779.75

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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.