Home / 12,550.47-18,825.24-4,230.30

Finding the Fourth Proportional to 12,550.47, 18,825.24 and 4,230.30

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Solution

The fourth proportional to 12,550.47, 18,825.24 and 4,230.30 is: 6,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.47 : 18,825.24 = 4,230.30 : x
  2. Step 2: Convert to fraction form
    12,550.47/18,825.24 = 4,230.30/x
  3. Step 3: Cross multiply
    12,550.47x = 18,825.24 × 4,230.30
  4. Step 4: Simplify right side
    12,550.47x = 79,636,412.77
  5. Step 5: Solve for x
    x = 79,636,412.77/12,550.47
  6. Step 6: Final answer
    x = 6,345.29

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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.