Home / 13,558.92-20,341.35-4,070.82

Finding the Fourth Proportional to 13,558.92, 20,341.35 and 4,070.82

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Solution

The fourth proportional to 13,558.92, 20,341.35 and 4,070.82 is: 6,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.92 : 20,341.35 = 4,070.82 : x
  2. Step 2: Convert to fraction form
    13,558.92/20,341.35 = 4,070.82/x
  3. Step 3: Cross multiply
    13,558.92x = 20,341.35 × 4,070.82
  4. Step 4: Simplify right side
    13,558.92x = 82,805,974.41
  5. Step 5: Solve for x
    x = 82,805,974.41/13,558.92
  6. Step 6: Final answer
    x = 6,107.12

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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.