Home / 13,529.04-18,657.99-8,493.74

Finding the Fourth Proportional to 13,529.04, 18,657.99 and 8,493.74

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Solution

The fourth proportional to 13,529.04, 18,657.99 and 8,493.74 is: 11,713.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.04 : 18,657.99 = 8,493.74 : x
  2. Step 2: Convert to fraction form
    13,529.04/18,657.99 = 8,493.74/x
  3. Step 3: Cross multiply
    13,529.04x = 18,657.99 × 8,493.74
  4. Step 4: Simplify right side
    13,529.04x = 158,476,022.69
  5. Step 5: Solve for x
    x = 158,476,022.69/13,529.04
  6. Step 6: Final answer
    x = 11,713.77

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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.