Home / 19,682.40-27,155.88-12,596.52

Finding the Fourth Proportional to 19,682.40, 27,155.88 and 12,596.52

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Solution

The fourth proportional to 19,682.40, 27,155.88 and 12,596.52 is: 17,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.40 : 27,155.88 = 12,596.52 : x
  2. Step 2: Convert to fraction form
    19,682.40/27,155.88 = 12,596.52/x
  3. Step 3: Cross multiply
    19,682.40x = 27,155.88 × 12,596.52
  4. Step 4: Simplify right side
    19,682.40x = 342,069,585.54
  5. Step 5: Solve for x
    x = 342,069,585.54/19,682.40
  6. Step 6: Final answer
    x = 17,379.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.