Home / 11,207.28-15,466.92-6,172.40

Finding the Fourth Proportional to 11,207.28, 15,466.92 and 6,172.40

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Solution

The fourth proportional to 11,207.28, 15,466.92 and 6,172.40 is: 8,518.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.28 : 15,466.92 = 6,172.40 : x
  2. Step 2: Convert to fraction form
    11,207.28/15,466.92 = 6,172.40/x
  3. Step 3: Cross multiply
    11,207.28x = 15,466.92 × 6,172.40
  4. Step 4: Simplify right side
    11,207.28x = 95,468,017.01
  5. Step 5: Solve for x
    x = 95,468,017.01/11,207.28
  6. Step 6: Final answer
    x = 8,518.39

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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.