Home / 15,885.05-23,790.01-13,793.69

Finding the Fourth Proportional to 15,885.05, 23,790.01 and 13,793.69

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Solution

The fourth proportional to 15,885.05, 23,790.01 and 13,793.69 is: 20,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.05 : 23,790.01 = 13,793.69 : x
  2. Step 2: Convert to fraction form
    15,885.05/23,790.01 = 13,793.69/x
  3. Step 3: Cross multiply
    15,885.05x = 23,790.01 × 13,793.69
  4. Step 4: Simplify right side
    15,885.05x = 328,151,968.19
  5. Step 5: Solve for x
    x = 328,151,968.19/15,885.05
  6. Step 6: Final answer
    x = 20,657.91

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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.