Home / 10,668.30-16,002.45-7,169.10

Finding the Fourth Proportional to 10,668.30, 16,002.45 and 7,169.10

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Solution

The fourth proportional to 10,668.30, 16,002.45 and 7,169.10 is: 10,753.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668.30 : 16,002.45 = 7,169.10 : x
  2. Step 2: Convert to fraction form
    10,668.30/16,002.45 = 7,169.10/x
  3. Step 3: Cross multiply
    10,668.30x = 16,002.45 × 7,169.10
  4. Step 4: Simplify right side
    10,668.30x = 114,723,164.30
  5. Step 5: Solve for x
    x = 114,723,164.30/10,668.30
  6. Step 6: Final answer
    x = 10,753.65

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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.