Home / 15,998.28-23,996.56-4,905

Finding the Fourth Proportional to 15,998.28, 23,996.56 and 4,905

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Solution

The fourth proportional to 15,998.28, 23,996.56 and 4,905 is: 7,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.28 : 23,996.56 = 4,905 : x
  2. Step 2: Convert to fraction form
    15,998.28/23,996.56 = 4,905/x
  3. Step 3: Cross multiply
    15,998.28x = 23,996.56 × 4,905
  4. Step 4: Simplify right side
    15,998.28x = 117,703,126.80
  5. Step 5: Solve for x
    x = 117,703,126.80/15,998.28
  6. Step 6: Final answer
    x = 7,357.24

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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.