Home / 10,397.70-15,603.39-3,823.97

Finding the Fourth Proportional to 10,397.70, 15,603.39 and 3,823.97

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Solution

The fourth proportional to 10,397.70, 15,603.39 and 3,823.97 is: 5,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,397.70 : 15,603.39 = 3,823.97 : x
  2. Step 2: Convert to fraction form
    10,397.70/15,603.39 = 3,823.97/x
  3. Step 3: Cross multiply
    10,397.70x = 15,603.39 × 3,823.97
  4. Step 4: Simplify right side
    10,397.70x = 59,666,817.24
  5. Step 5: Solve for x
    x = 59,666,817.24/10,397.70
  6. Step 6: Final answer
    x = 5,738.46

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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.