Home / 21,330.44-31,998.36-7,293.16

Finding the Fourth Proportional to 21,330.44, 31,998.36 and 7,293.16

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Solution

The fourth proportional to 21,330.44, 31,998.36 and 7,293.16 is: 10,940.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,330.44 : 31,998.36 = 7,293.16 : x
  2. Step 2: Convert to fraction form
    21,330.44/31,998.36 = 7,293.16/x
  3. Step 3: Cross multiply
    21,330.44x = 31,998.36 × 7,293.16
  4. Step 4: Simplify right side
    21,330.44x = 233,369,159.22
  5. Step 5: Solve for x
    x = 233,369,159.22/21,330.44
  6. Step 6: Final answer
    x = 10,940.66

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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.