Home / 21,955.24-32,933.92-7,164.14

Finding the Fourth Proportional to 21,955.24, 32,933.92 and 7,164.14

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Solution

The fourth proportional to 21,955.24, 32,933.92 and 7,164.14 is: 10,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,955.24 : 32,933.92 = 7,164.14 : x
  2. Step 2: Convert to fraction form
    21,955.24/32,933.92 = 7,164.14/x
  3. Step 3: Cross multiply
    21,955.24x = 32,933.92 × 7,164.14
  4. Step 4: Simplify right side
    21,955.24x = 235,943,213.63
  5. Step 5: Solve for x
    x = 235,943,213.63/21,955.24
  6. Step 6: Final answer
    x = 10,746.56

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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.