Home / 15,912.33-21,924.06-11,861.93

Finding the Fourth Proportional to 15,912.33, 21,924.06 and 11,861.93

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Solution

The fourth proportional to 15,912.33, 21,924.06 and 11,861.93 is: 16,343.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.33 : 21,924.06 = 11,861.93 : x
  2. Step 2: Convert to fraction form
    15,912.33/21,924.06 = 11,861.93/x
  3. Step 3: Cross multiply
    15,912.33x = 21,924.06 × 11,861.93
  4. Step 4: Simplify right side
    15,912.33x = 260,061,555.42
  5. Step 5: Solve for x
    x = 260,061,555.42/15,912.33
  6. Step 6: Final answer
    x = 16,343.40

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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.