Home / 15,444.44-21,313.28-8,370.88

Finding the Fourth Proportional to 15,444.44, 21,313.28 and 8,370.88

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Solution

The fourth proportional to 15,444.44, 21,313.28 and 8,370.88 is: 11,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,444.44 : 21,313.28 = 8,370.88 : x
  2. Step 2: Convert to fraction form
    15,444.44/21,313.28 = 8,370.88/x
  3. Step 3: Cross multiply
    15,444.44x = 21,313.28 × 8,370.88
  4. Step 4: Simplify right side
    15,444.44x = 178,410,909.29
  5. Step 5: Solve for x
    x = 178,410,909.29/15,444.44
  6. Step 6: Final answer
    x = 11,551.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.