Home / 19,861.42-29,804.69-11,102.08

Finding the Fourth Proportional to 19,861.42, 29,804.69 and 11,102.08

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Solution

The fourth proportional to 19,861.42, 29,804.69 and 11,102.08 is: 16,660.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861.42 : 29,804.69 = 11,102.08 : x
  2. Step 2: Convert to fraction form
    19,861.42/29,804.69 = 11,102.08/x
  3. Step 3: Cross multiply
    19,861.42x = 29,804.69 × 11,102.08
  4. Step 4: Simplify right side
    19,861.42x = 330,894,052.76
  5. Step 5: Solve for x
    x = 330,894,052.76/19,861.42
  6. Step 6: Final answer
    x = 16,660.14

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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.