Home / 9,511.20-13,098.24-6,854.40

Finding the Fourth Proportional to 9,511.20, 13,098.24 and 6,854.40

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Solution

The fourth proportional to 9,511.20, 13,098.24 and 6,854.40 is: 9,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.20 : 13,098.24 = 6,854.40 : x
  2. Step 2: Convert to fraction form
    9,511.20/13,098.24 = 6,854.40/x
  3. Step 3: Cross multiply
    9,511.20x = 13,098.24 × 6,854.40
  4. Step 4: Simplify right side
    9,511.20x = 89,780,576.26
  5. Step 5: Solve for x
    x = 89,780,576.26/9,511.20
  6. Step 6: Final answer
    x = 9,439.46

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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.