Home / 15,455.80-23,178.84-8,885.08

Finding the Fourth Proportional to 15,455.80, 23,178.84 and 8,885.08

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Solution

The fourth proportional to 15,455.80, 23,178.84 and 8,885.08 is: 13,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455.80 : 23,178.84 = 8,885.08 : x
  2. Step 2: Convert to fraction form
    15,455.80/23,178.84 = 8,885.08/x
  3. Step 3: Cross multiply
    15,455.80x = 23,178.84 × 8,885.08
  4. Step 4: Simplify right side
    15,455.80x = 205,945,847.71
  5. Step 5: Solve for x
    x = 205,945,847.71/15,455.80
  6. Step 6: Final answer
    x = 13,324.83

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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.