Home / 11,358.72-15,668.76-10,620.96

Finding the Fourth Proportional to 11,358.72, 15,668.76 and 10,620.96

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Solution

The fourth proportional to 11,358.72, 15,668.76 and 10,620.96 is: 14,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,358.72 : 15,668.76 = 10,620.96 : x
  2. Step 2: Convert to fraction form
    11,358.72/15,668.76 = 10,620.96/x
  3. Step 3: Cross multiply
    11,358.72x = 15,668.76 × 10,620.96
  4. Step 4: Simplify right side
    11,358.72x = 166,417,273.21
  5. Step 5: Solve for x
    x = 166,417,273.21/11,358.72
  6. Step 6: Final answer
    x = 14,651.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.