Home / 14,805.07-20,429.96-8,089.29

Finding the Fourth Proportional to 14,805.07, 20,429.96 and 8,089.29

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Solution

The fourth proportional to 14,805.07, 20,429.96 and 8,089.29 is: 11,162.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,805.07 : 20,429.96 = 8,089.29 : x
  2. Step 2: Convert to fraction form
    14,805.07/20,429.96 = 8,089.29/x
  3. Step 3: Cross multiply
    14,805.07x = 20,429.96 × 8,089.29
  4. Step 4: Simplify right side
    14,805.07x = 165,263,830.68
  5. Step 5: Solve for x
    x = 165,263,830.68/14,805.07
  6. Step 6: Final answer
    x = 11,162.65

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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.