Home / 19,488.15-29,212.75-8,953.65

Finding the Fourth Proportional to 19,488.15, 29,212.75 and 8,953.65

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Solution

The fourth proportional to 19,488.15, 29,212.75 and 8,953.65 is: 13,421.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.15 : 29,212.75 = 8,953.65 : x
  2. Step 2: Convert to fraction form
    19,488.15/29,212.75 = 8,953.65/x
  3. Step 3: Cross multiply
    19,488.15x = 29,212.75 × 8,953.65
  4. Step 4: Simplify right side
    19,488.15x = 261,560,592.97
  5. Step 5: Solve for x
    x = 261,560,592.97/19,488.15
  6. Step 6: Final answer
    x = 13,421.52

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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.