Home / 10,295.45-15,443.42-2,899.86

Finding the Fourth Proportional to 10,295.45, 15,443.42 and 2,899.86

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Solution

The fourth proportional to 10,295.45, 15,443.42 and 2,899.86 is: 4,349.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,295.45 : 15,443.42 = 2,899.86 : x
  2. Step 2: Convert to fraction form
    10,295.45/15,443.42 = 2,899.86/x
  3. Step 3: Cross multiply
    10,295.45x = 15,443.42 × 2,899.86
  4. Step 4: Simplify right side
    10,295.45x = 44,783,678.70
  5. Step 5: Solve for x
    x = 44,783,678.70/10,295.45
  6. Step 6: Final answer
    x = 4,349.85

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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.