Home / 10,635.21-15,955.19-3,240.24

Finding the Fourth Proportional to 10,635.21, 15,955.19 and 3,240.24

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Solution

The fourth proportional to 10,635.21, 15,955.19 and 3,240.24 is: 4,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.21 : 15,955.19 = 3,240.24 : x
  2. Step 2: Convert to fraction form
    10,635.21/15,955.19 = 3,240.24/x
  3. Step 3: Cross multiply
    10,635.21x = 15,955.19 × 3,240.24
  4. Step 4: Simplify right side
    10,635.21x = 51,698,628.64
  5. Step 5: Solve for x
    x = 51,698,628.64/10,635.21
  6. Step 6: Final answer
    x = 4,861.08

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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.