Home / 12,582.48-18,872.12-4,262.16

Finding the Fourth Proportional to 12,582.48, 18,872.12 and 4,262.16

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Solution

The fourth proportional to 12,582.48, 18,872.12 and 4,262.16 is: 6,392.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.48 : 18,872.12 = 4,262.16 : x
  2. Step 2: Convert to fraction form
    12,582.48/18,872.12 = 4,262.16/x
  3. Step 3: Cross multiply
    12,582.48x = 18,872.12 × 4,262.16
  4. Step 4: Simplify right side
    12,582.48x = 80,435,994.98
  5. Step 5: Solve for x
    x = 80,435,994.98/12,582.48
  6. Step 6: Final answer
    x = 6,392.70

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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.