Home / 14,489.06-19,987.84-9,450.99

Finding the Fourth Proportional to 14,489.06, 19,987.84 and 9,450.99

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Solution

The fourth proportional to 14,489.06, 19,987.84 and 9,450.99 is: 13,037.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489.06 : 19,987.84 = 9,450.99 : x
  2. Step 2: Convert to fraction form
    14,489.06/19,987.84 = 9,450.99/x
  3. Step 3: Cross multiply
    14,489.06x = 19,987.84 × 9,450.99
  4. Step 4: Simplify right side
    14,489.06x = 188,904,828.71
  5. Step 5: Solve for x
    x = 188,904,828.71/14,489.06
  6. Step 6: Final answer
    x = 13,037.76

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1.5x scale

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.