Home / 19,682.80-29,521.16-7,199.91

Finding the Fourth Proportional to 19,682.80, 29,521.16 and 7,199.91

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Solution

The fourth proportional to 19,682.80, 29,521.16 and 7,199.91 is: 10,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.80 : 29,521.16 = 7,199.91 : x
  2. Step 2: Convert to fraction form
    19,682.80/29,521.16 = 7,199.91/x
  3. Step 3: Cross multiply
    19,682.80x = 29,521.16 × 7,199.91
  4. Step 4: Simplify right side
    19,682.80x = 212,549,511.49
  5. Step 5: Solve for x
    x = 212,549,511.49/19,682.80
  6. Step 6: Final answer
    x = 10,798.74

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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.