Home / 14,454.09-19,948.76-8,489.02

Finding the Fourth Proportional to 14,454.09, 19,948.76 and 8,489.02

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Solution

The fourth proportional to 14,454.09, 19,948.76 and 8,489.02 is: 11,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,454.09 : 19,948.76 = 8,489.02 : x
  2. Step 2: Convert to fraction form
    14,454.09/19,948.76 = 8,489.02/x
  3. Step 3: Cross multiply
    14,454.09x = 19,948.76 × 8,489.02
  4. Step 4: Simplify right side
    14,454.09x = 169,345,422.62
  5. Step 5: Solve for x
    x = 169,345,422.62/14,454.09
  6. Step 6: Final answer
    x = 11,716.09

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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.