Home / 13,498.30-20,235.84-5,712.58

Finding the Fourth Proportional to 13,498.30, 20,235.84 and 5,712.58

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Solution

The fourth proportional to 13,498.30, 20,235.84 and 5,712.58 is: 8,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,498.30 : 20,235.84 = 5,712.58 : x
  2. Step 2: Convert to fraction form
    13,498.30/20,235.84 = 5,712.58/x
  3. Step 3: Cross multiply
    13,498.30x = 20,235.84 × 5,712.58
  4. Step 4: Simplify right side
    13,498.30x = 115,598,854.87
  5. Step 5: Solve for x
    x = 115,598,854.87/13,498.30
  6. Step 6: Final answer
    x = 8,563.96

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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.