Home / 14,373.54-21,560.64-3,985.38

Finding the Fourth Proportional to 14,373.54, 21,560.64 and 3,985.38

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Solution

The fourth proportional to 14,373.54, 21,560.64 and 3,985.38 is: 5,978.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.54 : 21,560.64 = 3,985.38 : x
  2. Step 2: Convert to fraction form
    14,373.54/21,560.64 = 3,985.38/x
  3. Step 3: Cross multiply
    14,373.54x = 21,560.64 × 3,985.38
  4. Step 4: Simplify right side
    14,373.54x = 85,927,343.44
  5. Step 5: Solve for x
    x = 85,927,343.44/14,373.54
  6. Step 6: Final answer
    x = 5,978.16

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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.