Home / 19,294.07-28,950.48-8,770.95

Finding the Fourth Proportional to 19,294.07, 28,950.48 and 8,770.95

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Solution

The fourth proportional to 19,294.07, 28,950.48 and 8,770.95 is: 13,160.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,294.07 : 28,950.48 = 8,770.95 : x
  2. Step 2: Convert to fraction form
    19,294.07/28,950.48 = 8,770.95/x
  3. Step 3: Cross multiply
    19,294.07x = 28,950.48 × 8,770.95
  4. Step 4: Simplify right side
    19,294.07x = 253,923,212.56
  5. Step 5: Solve for x
    x = 253,923,212.56/19,294.07
  6. Step 6: Final answer
    x = 13,160.69

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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.