Home / 13,624.32-20,431.44-4,856.88

Finding the Fourth Proportional to 13,624.32, 20,431.44 and 4,856.88

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Solution

The fourth proportional to 13,624.32, 20,431.44 and 4,856.88 is: 7,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.32 : 20,431.44 = 4,856.88 : x
  2. Step 2: Convert to fraction form
    13,624.32/20,431.44 = 4,856.88/x
  3. Step 3: Cross multiply
    13,624.32x = 20,431.44 × 4,856.88
  4. Step 4: Simplify right side
    13,624.32x = 99,233,052.31
  5. Step 5: Solve for x
    x = 99,233,052.31/13,624.32
  6. Step 6: Final answer
    x = 7,283.52

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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.