Home / 19,782.63-29,680.02-6,633.90

Finding the Fourth Proportional to 19,782.63, 29,680.02 and 6,633.90

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Solution

The fourth proportional to 19,782.63, 29,680.02 and 6,633.90 is: 9,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.63 : 29,680.02 = 6,633.90 : x
  2. Step 2: Convert to fraction form
    19,782.63/29,680.02 = 6,633.90/x
  3. Step 3: Cross multiply
    19,782.63x = 29,680.02 × 6,633.90
  4. Step 4: Simplify right side
    19,782.63x = 196,894,284.68
  5. Step 5: Solve for x
    x = 196,894,284.68/19,782.63
  6. Step 6: Final answer
    x = 9,952.89

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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.