Home / 10,427.92-15,633.20-4,878.32

Finding the Fourth Proportional to 10,427.92, 15,633.20 and 4,878.32

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Solution

The fourth proportional to 10,427.92, 15,633.20 and 4,878.32 is: 7,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.92 : 15,633.20 = 4,878.32 : x
  2. Step 2: Convert to fraction form
    10,427.92/15,633.20 = 4,878.32/x
  3. Step 3: Cross multiply
    10,427.92x = 15,633.20 × 4,878.32
  4. Step 4: Simplify right side
    10,427.92x = 76,263,752.22
  5. Step 5: Solve for x
    x = 76,263,752.22/10,427.92
  6. Step 6: Final answer
    x = 7,313.42

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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.