Home / 19,315.94-28,986.90-6,835.92

Finding the Fourth Proportional to 19,315.94, 28,986.90 and 6,835.92

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Solution

The fourth proportional to 19,315.94, 28,986.90 and 6,835.92 is: 10,258.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315.94 : 28,986.90 = 6,835.92 : x
  2. Step 2: Convert to fraction form
    19,315.94/28,986.90 = 6,835.92/x
  3. Step 3: Cross multiply
    19,315.94x = 28,986.90 × 6,835.92
  4. Step 4: Simplify right side
    19,315.94x = 198,152,129.45
  5. Step 5: Solve for x
    x = 198,152,129.45/19,315.94
  6. Step 6: Final answer
    x = 10,258.48

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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.