Home / 9,990.48-13,782.68-7,008.27

Finding the Fourth Proportional to 9,990.48, 13,782.68 and 7,008.27

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Solution

The fourth proportional to 9,990.48, 13,782.68 and 7,008.27 is: 9,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990.48 : 13,782.68 = 7,008.27 : x
  2. Step 2: Convert to fraction form
    9,990.48/13,782.68 = 7,008.27/x
  3. Step 3: Cross multiply
    9,990.48x = 13,782.68 × 7,008.27
  4. Step 4: Simplify right side
    9,990.48x = 96,592,707.72
  5. Step 5: Solve for x
    x = 96,592,707.72/9,990.48
  6. Step 6: Final answer
    x = 9,668.48

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Similar ratio
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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.