Home / 13,660.85-20,479.94-9,508.94

Finding the Fourth Proportional to 13,660.85, 20,479.94 and 9,508.94

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Solution

The fourth proportional to 13,660.85, 20,479.94 and 9,508.94 is: 14,255.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.85 : 20,479.94 = 9,508.94 : x
  2. Step 2: Convert to fraction form
    13,660.85/20,479.94 = 9,508.94/x
  3. Step 3: Cross multiply
    13,660.85x = 20,479.94 × 9,508.94
  4. Step 4: Simplify right side
    13,660.85x = 194,742,598.38
  5. Step 5: Solve for x
    x = 194,742,598.38/13,660.85
  6. Step 6: Final answer
    x = 14,255.52

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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.