Home / 21,196.11-31,799.93-7,346.19

Finding the Fourth Proportional to 21,196.11, 31,799.93 and 7,346.19

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Solution

The fourth proportional to 21,196.11, 31,799.93 and 7,346.19 is: 11,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.11 : 31,799.93 = 7,346.19 : x
  2. Step 2: Convert to fraction form
    21,196.11/31,799.93 = 7,346.19/x
  3. Step 3: Cross multiply
    21,196.11x = 31,799.93 × 7,346.19
  4. Step 4: Simplify right side
    21,196.11x = 233,608,291.04
  5. Step 5: Solve for x
    x = 233,608,291.04/21,196.11
  6. Step 6: Final answer
    x = 11,021.28

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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.