Home / 13,926.34-20,865.16-11,601.30

Finding the Fourth Proportional to 13,926.34, 20,865.16 and 11,601.30

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Solution

The fourth proportional to 13,926.34, 20,865.16 and 11,601.30 is: 17,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.34 : 20,865.16 = 11,601.30 : x
  2. Step 2: Convert to fraction form
    13,926.34/20,865.16 = 11,601.30/x
  3. Step 3: Cross multiply
    13,926.34x = 20,865.16 × 11,601.30
  4. Step 4: Simplify right side
    13,926.34x = 242,062,980.71
  5. Step 5: Solve for x
    x = 242,062,980.71/13,926.34
  6. Step 6: Final answer
    x = 17,381.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.