Home / 21,556.48-32,324.31-7,516.18

Finding the Fourth Proportional to 21,556.48, 32,324.31 and 7,516.18

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Solution

The fourth proportional to 21,556.48, 32,324.31 and 7,516.18 is: 11,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556.48 : 32,324.31 = 7,516.18 : x
  2. Step 2: Convert to fraction form
    21,556.48/32,324.31 = 7,516.18/x
  3. Step 3: Cross multiply
    21,556.48x = 32,324.31 × 7,516.18
  4. Step 4: Simplify right side
    21,556.48x = 242,955,332.34
  5. Step 5: Solve for x
    x = 242,955,332.34/21,556.48
  6. Step 6: Final answer
    x = 11,270.64

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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.