Home / 15,586.62-21,496.24-13,175.67

Finding the Fourth Proportional to 15,586.62, 21,496.24 and 13,175.67

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Solution

The fourth proportional to 15,586.62, 21,496.24 and 13,175.67 is: 18,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,586.62 : 21,496.24 = 13,175.67 : x
  2. Step 2: Convert to fraction form
    15,586.62/21,496.24 = 13,175.67/x
  3. Step 3: Cross multiply
    15,586.62x = 21,496.24 × 13,175.67
  4. Step 4: Simplify right side
    15,586.62x = 283,227,257.00
  5. Step 5: Solve for x
    x = 283,227,257.00/15,586.62
  6. Step 6: Final answer
    x = 18,171.18

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Half scale
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Double scale
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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.