Home / 10,529.40-15,794.07-4,287.94

Finding the Fourth Proportional to 10,529.40, 15,794.07 and 4,287.94

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Solution

The fourth proportional to 10,529.40, 15,794.07 and 4,287.94 is: 6,431.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,529.40 : 15,794.07 = 4,287.94 : x
  2. Step 2: Convert to fraction form
    10,529.40/15,794.07 = 4,287.94/x
  3. Step 3: Cross multiply
    10,529.40x = 15,794.07 × 4,287.94
  4. Step 4: Simplify right side
    10,529.40x = 67,724,024.52
  5. Step 5: Solve for x
    x = 67,724,024.52/10,529.40
  6. Step 6: Final answer
    x = 6,431.90

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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.