Home / 14,235.13-21,365.82-7,220.07

Finding the Fourth Proportional to 14,235.13, 21,365.82 and 7,220.07

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Solution

The fourth proportional to 14,235.13, 21,365.82 and 7,220.07 is: 10,836.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.13 : 21,365.82 = 7,220.07 : x
  2. Step 2: Convert to fraction form
    14,235.13/21,365.82 = 7,220.07/x
  3. Step 3: Cross multiply
    14,235.13x = 21,365.82 × 7,220.07
  4. Step 4: Simplify right side
    14,235.13x = 154,262,716.01
  5. Step 5: Solve for x
    x = 154,262,716.01/14,235.13
  6. Step 6: Final answer
    x = 10,836.76

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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.