Home / 14,678.09-22,018.32-4,148.20

Finding the Fourth Proportional to 14,678.09, 22,018.32 and 4,148.20

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Solution

The fourth proportional to 14,678.09, 22,018.32 and 4,148.20 is: 6,222.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,678.09 : 22,018.32 = 4,148.20 : x
  2. Step 2: Convert to fraction form
    14,678.09/22,018.32 = 4,148.20/x
  3. Step 3: Cross multiply
    14,678.09x = 22,018.32 × 4,148.20
  4. Step 4: Simplify right side
    14,678.09x = 91,336,310.36
  5. Step 5: Solve for x
    x = 91,336,310.36/14,678.09
  6. Step 6: Final answer
    x = 6,222.63

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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.