Home / 13,999.44-21,000.24-10,346.88

Finding the Fourth Proportional to 13,999.44, 21,000.24 and 10,346.88

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Solution

The fourth proportional to 13,999.44, 21,000.24 and 10,346.88 is: 15,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.44 : 21,000.24 = 10,346.88 : x
  2. Step 2: Convert to fraction form
    13,999.44/21,000.24 = 10,346.88/x
  3. Step 3: Cross multiply
    13,999.44x = 21,000.24 × 10,346.88
  4. Step 4: Simplify right side
    13,999.44x = 217,286,963.25
  5. Step 5: Solve for x
    x = 217,286,963.25/13,999.44
  6. Step 6: Final answer
    x = 15,521.12

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1.5x scale

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.