Home / 9,956.69-13,740.03-5,480.33

Finding the Fourth Proportional to 9,956.69, 13,740.03 and 5,480.33

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Solution

The fourth proportional to 9,956.69, 13,740.03 and 5,480.33 is: 7,562.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,956.69 : 13,740.03 = 5,480.33 : x
  2. Step 2: Convert to fraction form
    9,956.69/13,740.03 = 5,480.33/x
  3. Step 3: Cross multiply
    9,956.69x = 13,740.03 × 5,480.33
  4. Step 4: Simplify right side
    9,956.69x = 75,299,829.91
  5. Step 5: Solve for x
    x = 75,299,829.91/9,956.69
  6. Step 6: Final answer
    x = 7,562.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.