Home / 13,340.24-20,012.88-4,576.40

Finding the Fourth Proportional to 13,340.24, 20,012.88 and 4,576.40

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Solution

The fourth proportional to 13,340.24, 20,012.88 and 4,576.40 is: 6,865.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.24 : 20,012.88 = 4,576.40 : x
  2. Step 2: Convert to fraction form
    13,340.24/20,012.88 = 4,576.40/x
  3. Step 3: Cross multiply
    13,340.24x = 20,012.88 × 4,576.40
  4. Step 4: Simplify right side
    13,340.24x = 91,586,944.03
  5. Step 5: Solve for x
    x = 91,586,944.03/13,340.24
  6. Step 6: Final answer
    x = 6,865.46

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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.