Home / 13,765.18-18,994.34-8,098.69

Finding the Fourth Proportional to 13,765.18, 18,994.34 and 8,098.69

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Solution

The fourth proportional to 13,765.18, 18,994.34 and 8,098.69 is: 11,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.18 : 18,994.34 = 8,098.69 : x
  2. Step 2: Convert to fraction form
    13,765.18/18,994.34 = 8,098.69/x
  3. Step 3: Cross multiply
    13,765.18x = 18,994.34 × 8,098.69
  4. Step 4: Simplify right side
    13,765.18x = 153,829,188.27
  5. Step 5: Solve for x
    x = 153,829,188.27/13,765.18
  6. Step 6: Final answer
    x = 11,175.24

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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.