Home / 15,958.08-23,898.78-8,920.80

Finding the Fourth Proportional to 15,958.08, 23,898.78 and 8,920.80

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Solution

The fourth proportional to 15,958.08, 23,898.78 and 8,920.80 is: 13,359.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,958.08 : 23,898.78 = 8,920.80 : x
  2. Step 2: Convert to fraction form
    15,958.08/23,898.78 = 8,920.80/x
  3. Step 3: Cross multiply
    15,958.08x = 23,898.78 × 8,920.80
  4. Step 4: Simplify right side
    15,958.08x = 213,196,236.62
  5. Step 5: Solve for x
    x = 213,196,236.62/15,958.08
  6. Step 6: Final answer
    x = 13,359.77

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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.