Home / 10,668.08-16,002.40-6,288.68

Finding the Fourth Proportional to 10,668.08, 16,002.40 and 6,288.68

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Solution

The fourth proportional to 10,668.08, 16,002.40 and 6,288.68 is: 9,433.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.08 : 16,002.40 = 6,288.68 : x
  2. Step 2: Convert to fraction form
    10,668.08/16,002.40 = 6,288.68/x
  3. Step 3: Cross multiply
    10,668.08x = 16,002.40 × 6,288.68
  4. Step 4: Simplify right side
    10,668.08x = 100,633,972.83
  5. Step 5: Solve for x
    x = 100,633,972.83/10,668.08
  6. Step 6: Final answer
    x = 9,433.19

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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.