Home / 13,576.10-20,363.18-4,215.89

Finding the Fourth Proportional to 13,576.10, 20,363.18 and 4,215.89

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Solution

The fourth proportional to 13,576.10, 20,363.18 and 4,215.89 is: 6,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.10 : 20,363.18 = 4,215.89 : x
  2. Step 2: Convert to fraction form
    13,576.10/20,363.18 = 4,215.89/x
  3. Step 3: Cross multiply
    13,576.10x = 20,363.18 × 4,215.89
  4. Step 4: Simplify right side
    13,576.10x = 85,848,804.03
  5. Step 5: Solve for x
    x = 85,848,804.03/13,576.10
  6. Step 6: Final answer
    x = 6,323.53

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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.