Home / 10,358.94-15,529.87-3,780.93

Finding the Fourth Proportional to 10,358.94, 15,529.87 and 3,780.93

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Solution

The fourth proportional to 10,358.94, 15,529.87 and 3,780.93 is: 5,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.94 : 15,529.87 = 3,780.93 : x
  2. Step 2: Convert to fraction form
    10,358.94/15,529.87 = 3,780.93/x
  3. Step 3: Cross multiply
    10,358.94x = 15,529.87 × 3,780.93
  4. Step 4: Simplify right side
    10,358.94x = 58,717,351.38
  5. Step 5: Solve for x
    x = 58,717,351.38/10,358.94
  6. Step 6: Final answer
    x = 5,668.28

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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.