Home / 13,325.04-19,976.40-8,382.42

Finding the Fourth Proportional to 13,325.04, 19,976.40 and 8,382.42

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Solution

The fourth proportional to 13,325.04, 19,976.40 and 8,382.42 is: 12,566.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.04 : 19,976.40 = 8,382.42 : x
  2. Step 2: Convert to fraction form
    13,325.04/19,976.40 = 8,382.42/x
  3. Step 3: Cross multiply
    13,325.04x = 19,976.40 × 8,382.42
  4. Step 4: Simplify right side
    13,325.04x = 167,450,574.89
  5. Step 5: Solve for x
    x = 167,450,574.89/13,325.04
  6. Step 6: Final answer
    x = 12,566.61

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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.