Home / 13,746.94-20,606.59-5,432.85

Finding the Fourth Proportional to 13,746.94, 20,606.59 and 5,432.85

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Solution

The fourth proportional to 13,746.94, 20,606.59 and 5,432.85 is: 8,143.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.94 : 20,606.59 = 5,432.85 : x
  2. Step 2: Convert to fraction form
    13,746.94/20,606.59 = 5,432.85/x
  3. Step 3: Cross multiply
    13,746.94x = 20,606.59 × 5,432.85
  4. Step 4: Simplify right side
    13,746.94x = 111,952,512.48
  5. Step 5: Solve for x
    x = 111,952,512.48/13,746.94
  6. Step 6: Final answer
    x = 8,143.81

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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.