Home / 9,205.18-12,701.75-5,171.23

Finding the Fourth Proportional to 9,205.18, 12,701.75 and 5,171.23

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Solution

The fourth proportional to 9,205.18, 12,701.75 and 5,171.23 is: 7,135.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205.18 : 12,701.75 = 5,171.23 : x
  2. Step 2: Convert to fraction form
    9,205.18/12,701.75 = 5,171.23/x
  3. Step 3: Cross multiply
    9,205.18x = 12,701.75 × 5,171.23
  4. Step 4: Simplify right side
    9,205.18x = 65,683,589.23
  5. Step 5: Solve for x
    x = 65,683,589.23/9,205.18
  6. Step 6: Final answer
    x = 7,135.50

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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.