Home / 9,576.80-13,215.88-5,327.86

Finding the Fourth Proportional to 9,576.80, 13,215.88 and 5,327.86

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Solution

The fourth proportional to 9,576.80, 13,215.88 and 5,327.86 is: 7,352.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,576.80 : 13,215.88 = 5,327.86 : x
  2. Step 2: Convert to fraction form
    9,576.80/13,215.88 = 5,327.86/x
  3. Step 3: Cross multiply
    9,576.80x = 13,215.88 × 5,327.86
  4. Step 4: Simplify right side
    9,576.80x = 70,412,358.42
  5. Step 5: Solve for x
    x = 70,412,358.42/9,576.80
  6. Step 6: Final answer
    x = 7,352.39

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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.