Home / 19,731.24-29,605.98-8,636.46

Finding the Fourth Proportional to 19,731.24, 29,605.98 and 8,636.46

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Solution

The fourth proportional to 19,731.24, 29,605.98 and 8,636.46 is: 12,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,731.24 : 29,605.98 = 8,636.46 : x
  2. Step 2: Convert to fraction form
    19,731.24/29,605.98 = 8,636.46/x
  3. Step 3: Cross multiply
    19,731.24x = 29,605.98 × 8,636.46
  4. Step 4: Simplify right side
    19,731.24x = 255,690,862.03
  5. Step 5: Solve for x
    x = 255,690,862.03/19,731.24
  6. Step 6: Final answer
    x = 12,958.68

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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.