Home / 19,818.62-29,713.80-9,282.86

Finding the Fourth Proportional to 19,818.62, 29,713.80 and 9,282.86

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Solution

The fourth proportional to 19,818.62, 29,713.80 and 9,282.86 is: 13,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,818.62 : 29,713.80 = 9,282.86 : x
  2. Step 2: Convert to fraction form
    19,818.62/29,713.80 = 9,282.86/x
  3. Step 3: Cross multiply
    19,818.62x = 29,713.80 × 9,282.86
  4. Step 4: Simplify right side
    19,818.62x = 275,828,962.19
  5. Step 5: Solve for x
    x = 275,828,962.19/19,818.62
  6. Step 6: Final answer
    x = 13,917.67

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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.