Home / 15,945.28-23,918.21-6,938.48

Finding the Fourth Proportional to 15,945.28, 23,918.21 and 6,938.48

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Solution

The fourth proportional to 15,945.28, 23,918.21 and 6,938.48 is: 10,407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.28 : 23,918.21 = 6,938.48 : x
  2. Step 2: Convert to fraction form
    15,945.28/23,918.21 = 6,938.48/x
  3. Step 3: Cross multiply
    15,945.28x = 23,918.21 × 6,938.48
  4. Step 4: Simplify right side
    15,945.28x = 165,955,987.03
  5. Step 5: Solve for x
    x = 165,955,987.03/15,945.28
  6. Step 6: Final answer
    x = 10,407.85

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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.