Home / 19,065.38-28,598.98-9,212.94

Finding the Fourth Proportional to 19,065.38, 28,598.98 and 9,212.94

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Solution

The fourth proportional to 19,065.38, 28,598.98 and 9,212.94 is: 13,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,065.38 : 28,598.98 = 9,212.94 : x
  2. Step 2: Convert to fraction form
    19,065.38/28,598.98 = 9,212.94/x
  3. Step 3: Cross multiply
    19,065.38x = 28,598.98 × 9,212.94
  4. Step 4: Simplify right side
    19,065.38x = 263,480,686.80
  5. Step 5: Solve for x
    x = 263,480,686.80/19,065.38
  6. Step 6: Final answer
    x = 13,819.85

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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.