Home / 14,518.64-20,075.91-11,529.20

Finding the Fourth Proportional to 14,518.64, 20,075.91 and 11,529.20

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Solution

The fourth proportional to 14,518.64, 20,075.91 and 11,529.20 is: 15,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,518.64 : 20,075.91 = 11,529.20 : x
  2. Step 2: Convert to fraction form
    14,518.64/20,075.91 = 11,529.20/x
  3. Step 3: Cross multiply
    14,518.64x = 20,075.91 × 11,529.20
  4. Step 4: Simplify right side
    14,518.64x = 231,459,181.57
  5. Step 5: Solve for x
    x = 231,459,181.57/14,518.64
  6. Step 6: Final answer
    x = 15,942.21

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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.