Home / 14,338.80-21,507.64-3,950.28

Finding the Fourth Proportional to 14,338.80, 21,507.64 and 3,950.28

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Solution

The fourth proportional to 14,338.80, 21,507.64 and 3,950.28 is: 5,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.80 : 21,507.64 = 3,950.28 : x
  2. Step 2: Convert to fraction form
    14,338.80/21,507.64 = 3,950.28/x
  3. Step 3: Cross multiply
    14,338.80x = 21,507.64 × 3,950.28
  4. Step 4: Simplify right side
    14,338.80x = 84,961,200.14
  5. Step 5: Solve for x
    x = 84,961,200.14/14,338.80
  6. Step 6: Final answer
    x = 5,925.27

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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.