Home / 13,646.34-18,833.58-8,341.92

Finding the Fourth Proportional to 13,646.34, 18,833.58 and 8,341.92

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Solution

The fourth proportional to 13,646.34, 18,833.58 and 8,341.92 is: 11,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.34 : 18,833.58 = 8,341.92 : x
  2. Step 2: Convert to fraction form
    13,646.34/18,833.58 = 8,341.92/x
  3. Step 3: Cross multiply
    13,646.34x = 18,833.58 × 8,341.92
  4. Step 4: Simplify right side
    13,646.34x = 157,108,217.67
  5. Step 5: Solve for x
    x = 157,108,217.67/13,646.34
  6. Step 6: Final answer
    x = 11,512.85

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Double scale
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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.