Home / 10,252.36-15,378.41-2,856.86

Finding the Fourth Proportional to 10,252.36, 15,378.41 and 2,856.86

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Solution

The fourth proportional to 10,252.36, 15,378.41 and 2,856.86 is: 4,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,252.36 : 15,378.41 = 2,856.86 : x
  2. Step 2: Convert to fraction form
    10,252.36/15,378.41 = 2,856.86/x
  3. Step 3: Cross multiply
    10,252.36x = 15,378.41 × 2,856.86
  4. Step 4: Simplify right side
    10,252.36x = 43,933,950.11
  5. Step 5: Solve for x
    x = 43,933,950.11/10,252.36
  6. Step 6: Final answer
    x = 4,285.25

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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.