Home / 14,144.64-21,267.72-7,583.28

Finding the Fourth Proportional to 14,144.64, 21,267.72 and 7,583.28

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Solution

The fourth proportional to 14,144.64, 21,267.72 and 7,583.28 is: 11,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.64 : 21,267.72 = 7,583.28 : x
  2. Step 2: Convert to fraction form
    14,144.64/21,267.72 = 7,583.28/x
  3. Step 3: Cross multiply
    14,144.64x = 21,267.72 × 7,583.28
  4. Step 4: Simplify right side
    14,144.64x = 161,279,075.72
  5. Step 5: Solve for x
    x = 161,279,075.72/14,144.64
  6. Step 6: Final answer
    x = 11,402.13

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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.