Home / 13,752-20,610.90-4,977.27

Finding the Fourth Proportional to 13,752, 20,610.90 and 4,977.27

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Solution

The fourth proportional to 13,752, 20,610.90 and 4,977.27 is: 7,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,752 : 20,610.90 = 4,977.27 : x
  2. Step 2: Convert to fraction form
    13,752/20,610.90 = 4,977.27/x
  3. Step 3: Cross multiply
    13,752x = 20,610.90 × 4,977.27
  4. Step 4: Simplify right side
    13,752x = 102,586,014.24
  5. Step 5: Solve for x
    x = 102,586,014.24/13,752
  6. Step 6: Final answer
    x = 7,459.72

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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.