Home / 13,376.12-20,066.06-5,583.16

Finding the Fourth Proportional to 13,376.12, 20,066.06 and 5,583.16

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Solution

The fourth proportional to 13,376.12, 20,066.06 and 5,583.16 is: 8,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.12 : 20,066.06 = 5,583.16 : x
  2. Step 2: Convert to fraction form
    13,376.12/20,066.06 = 5,583.16/x
  3. Step 3: Cross multiply
    13,376.12x = 20,066.06 × 5,583.16
  4. Step 4: Simplify right side
    13,376.12x = 112,032,023.55
  5. Step 5: Solve for x
    x = 112,032,023.55/13,376.12
  6. Step 6: Final answer
    x = 8,375.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.