Home / 19,636.68-29,436.18-12,597

Finding the Fourth Proportional to 19,636.68, 29,436.18 and 12,597

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Solution

The fourth proportional to 19,636.68, 29,436.18 and 12,597 is: 18,883.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,636.68 : 29,436.18 = 12,597 : x
  2. Step 2: Convert to fraction form
    19,636.68/29,436.18 = 12,597/x
  3. Step 3: Cross multiply
    19,636.68x = 29,436.18 × 12,597
  4. Step 4: Simplify right side
    19,636.68x = 370,807,559.46
  5. Step 5: Solve for x
    x = 370,807,559.46/19,636.68
  6. Step 6: Final answer
    x = 18,883.41

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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.