Home / 19,624.15-29,448.33-7,775.92

Finding the Fourth Proportional to 19,624.15, 29,448.33 and 7,775.92

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Solution

The fourth proportional to 19,624.15, 29,448.33 and 7,775.92 is: 11,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.15 : 29,448.33 = 7,775.92 : x
  2. Step 2: Convert to fraction form
    19,624.15/29,448.33 = 7,775.92/x
  3. Step 3: Cross multiply
    19,624.15x = 29,448.33 × 7,775.92
  4. Step 4: Simplify right side
    19,624.15x = 228,987,858.21
  5. Step 5: Solve for x
    x = 228,987,858.21/19,624.15
  6. Step 6: Final answer
    x = 11,668.68

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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.