Home / 19,263.72-28,882.14-6,780.84

Finding the Fourth Proportional to 19,263.72, 28,882.14 and 6,780.84

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Solution

The fourth proportional to 19,263.72, 28,882.14 and 6,780.84 is: 10,166.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263.72 : 28,882.14 = 6,780.84 : x
  2. Step 2: Convert to fraction form
    19,263.72/28,882.14 = 6,780.84/x
  3. Step 3: Cross multiply
    19,263.72x = 28,882.14 × 6,780.84
  4. Step 4: Simplify right side
    19,263.72x = 195,845,170.20
  5. Step 5: Solve for x
    x = 195,845,170.20/19,263.72
  6. Step 6: Final answer
    x = 10,166.53

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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.