Home / 14,604.83-20,154.64-7,890.44

Finding the Fourth Proportional to 14,604.83, 20,154.64 and 7,890.44

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Solution

The fourth proportional to 14,604.83, 20,154.64 and 7,890.44 is: 10,888.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,604.83 : 20,154.64 = 7,890.44 : x
  2. Step 2: Convert to fraction form
    14,604.83/20,154.64 = 7,890.44/x
  3. Step 3: Cross multiply
    14,604.83x = 20,154.64 × 7,890.44
  4. Step 4: Simplify right side
    14,604.83x = 159,028,849.75
  5. Step 5: Solve for x
    x = 159,028,849.75/14,604.83
  6. Step 6: Final answer
    x = 10,888.79

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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.