Home / 13,529.14-18,658.12-8,493.83

Finding the Fourth Proportional to 13,529.14, 18,658.12 and 8,493.83

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Solution

The fourth proportional to 13,529.14, 18,658.12 and 8,493.83 is: 11,713.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.14 : 18,658.12 = 8,493.83 : x
  2. Step 2: Convert to fraction form
    13,529.14/18,658.12 = 8,493.83/x
  3. Step 3: Cross multiply
    13,529.14x = 18,658.12 × 8,493.83
  4. Step 4: Simplify right side
    13,529.14x = 158,478,870.77
  5. Step 5: Solve for x
    x = 158,478,870.77/13,529.14
  6. Step 6: Final answer
    x = 11,713.89

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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.