Home / 13,132.35-18,121.94-7,466.32

Finding the Fourth Proportional to 13,132.35, 18,121.94 and 7,466.32

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Solution

The fourth proportional to 13,132.35, 18,121.94 and 7,466.32 is: 10,303.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.35 : 18,121.94 = 7,466.32 : x
  2. Step 2: Convert to fraction form
    13,132.35/18,121.94 = 7,466.32/x
  3. Step 3: Cross multiply
    13,132.35x = 18,121.94 × 7,466.32
  4. Step 4: Simplify right side
    13,132.35x = 135,304,216.38
  5. Step 5: Solve for x
    x = 135,304,216.38/13,132.35
  6. Step 6: Final answer
    x = 10,303.12

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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.