Home / 13,529.73-18,658.93-8,494.41

Finding the Fourth Proportional to 13,529.73, 18,658.93 and 8,494.41

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Solution

The fourth proportional to 13,529.73, 18,658.93 and 8,494.41 is: 11,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.73 : 18,658.93 = 8,494.41 : x
  2. Step 2: Convert to fraction form
    13,529.73/18,658.93 = 8,494.41/x
  3. Step 3: Cross multiply
    13,529.73x = 18,658.93 × 8,494.41
  4. Step 4: Simplify right side
    13,529.73x = 158,496,682.17
  5. Step 5: Solve for x
    x = 158,496,682.17/13,529.73
  6. Step 6: Final answer
    x = 11,714.70

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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.