Home / 12,136.96-18,211.40-4,346.40

Finding the Fourth Proportional to 12,136.96, 18,211.40 and 4,346.40

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Solution

The fourth proportional to 12,136.96, 18,211.40 and 4,346.40 is: 6,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.96 : 18,211.40 = 4,346.40 : x
  2. Step 2: Convert to fraction form
    12,136.96/18,211.40 = 4,346.40/x
  3. Step 3: Cross multiply
    12,136.96x = 18,211.40 × 4,346.40
  4. Step 4: Simplify right side
    12,136.96x = 79,154,028.96
  5. Step 5: Solve for x
    x = 79,154,028.96/12,136.96
  6. Step 6: Final answer
    x = 6,521.73

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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.