Home / 12,157.73-18,184.76-7,466.21

Finding the Fourth Proportional to 12,157.73, 18,184.76 and 7,466.21

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Solution

The fourth proportional to 12,157.73, 18,184.76 and 7,466.21 is: 11,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157.73 : 18,184.76 = 7,466.21 : x
  2. Step 2: Convert to fraction form
    12,157.73/18,184.76 = 7,466.21/x
  3. Step 3: Cross multiply
    12,157.73x = 18,184.76 × 7,466.21
  4. Step 4: Simplify right side
    12,157.73x = 135,771,199.63
  5. Step 5: Solve for x
    x = 135,771,199.63/12,157.73
  6. Step 6: Final answer
    x = 11,167.48

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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.