Home / 13,418.18-20,127.24-4,653.08

Finding the Fourth Proportional to 13,418.18, 20,127.24 and 4,653.08

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Solution

The fourth proportional to 13,418.18, 20,127.24 and 4,653.08 is: 6,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,418.18 : 20,127.24 = 4,653.08 : x
  2. Step 2: Convert to fraction form
    13,418.18/20,127.24 = 4,653.08/x
  3. Step 3: Cross multiply
    13,418.18x = 20,127.24 × 4,653.08
  4. Step 4: Simplify right side
    13,418.18x = 93,653,657.90
  5. Step 5: Solve for x
    x = 93,653,657.90/13,418.18
  6. Step 6: Final answer
    x = 6,979.61

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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.